Bulk convert control files. (#19986)

```
function Convert-Control {
    Param($full)
    .\vcpkg.exe format-manifest $full
    $root = $full.Substring(0, $full.Length - 7) # CONTROL
    $new = $root + 'vcpkg.json'
    $content = Get-Content -Raw $new
    $asJson = ConvertFrom-Json $content -AsHashtable -Depth 100
    $oldVersion = $asJson['port-version']
    if ($null -eq $oldVersion) {
        $oldVersionFull = $asJson['version-string']
        Write-Host "Got version $oldVersionFull"
        $match = [System.Text.RegularExpressions.Regex]::Match($oldVersionFull, '^(.+)-(\d+)$')
        if ($match.Success -and -not [System.Text.RegularExpressions.Regex]::IsMatch($oldVersionFull, '^\d\d\d\d-\d\d-\d\d$')) {
            $newFullVersion = [string]$match.Groups[1].Value
            $oldVersion = [int]$match.Groups[2].Value
            Write-Host "newFullVersion $newFullVersion oldVersion $oldVersion"
            $newVersion = $oldVersion + 1
            $asJson['version-string'] = $newFullVersion
            Write-Host "Previous version for $full extracted from version field -- setting version-string $newFullVersion and port-version $newVersion"
        } else {
            Write-Host "No previous version for $full -- setting 1"
            $newVersion = 1
        }
    } else {
        $newVersion = [int]$oldVersion + 1
        Write-Host "New version for $full : $newVersion"
    }

    $asJson['port-version'] = $newVersion

    $content = ConvertTo-Json $asJson -Depth 100
    Set-Content -Path $new -Value $content
    .\vcpkg.exe format-manifest $new
}

Get-ChildItem ports\CONTROL -Recurse | Foreach-Object {
    Convert-Control $_.FullName
}

git commit -am "this message"
.\vcpkg.exe x-add-version -all
git commit -a --amend
```

11 files changed, 55 insertions, 0 deletions

diff --git a/versions/z-/z85.json b/versions/z-/z85.json
index 06a71818e..1301a3972 100644
--- a/versions/z-/z85.json
+++ b/versions/z-/z85.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "eb7115fc8b2a5c84c958196521ec5f6c5f502ca6",
+      "version-string": "1.0",
+      "port-version": 1
+    },
+    {
       "git-tree": "b56d7eb36e5f53164b2f3dba37327a68fc98d378",
       "version-string": "1.0",
       "port-version": 0
diff --git a/versions/z-/zfp.json b/versions/z-/zfp.json
index 22f59a9ea..30b657231 100644
--- a/versions/z-/zfp.json
+++ b/versions/z-/zfp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "b9fdf34882de98a9ffaf9225f665b49176d7e97f",
+      "version-string": "0.5.5",
+      "port-version": 3
+    },
+    {
       "git-tree": "bb74f3eda84b0d0a5426601889ae3bacb68e6b6f",
       "version-string": "0.5.5-2",
       "port-version": 0
diff --git a/versions/z-/zkpp.json b/versions/z-/zkpp.json
index 4ff16665f..7c366122c 100644
--- a/versions/z-/zkpp.json
+++ b/versions/z-/zkpp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "5d45cca2392d1a09d62bc9e2d53e1296f0bd49fc",
+      "version-string": "0.2.3",
+      "port-version": 1
+    },
+    {
       "git-tree": "36ee3997fc686a009718566997f969892ae134bd",
       "version-string": "0.2.3",
       "port-version": 0
diff --git a/versions/z-/zookeeper.json b/versions/z-/zookeeper.json
index fb188c1fe..ab8b9e678 100644
--- a/versions/z-/zookeeper.json
+++ b/versions/z-/zookeeper.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "44fbecb403595fea598756cf946b00e0a2f21dad",
+      "version-string": "3.5.5",
+      "port-version": 2
+    },
+    {
       "git-tree": "e9a48341219262a6519a4d1403db84e328426a08",
       "version-string": "3.5.5-1",
       "port-version": 0
diff --git a/versions/z-/zopfli.json b/versions/z-/zopfli.json
index 28ae8360e..437702602 100644
--- a/versions/z-/zopfli.json
+++ b/versions/z-/zopfli.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "e80818813d5dfa5b563c84485d4a0030ce90906a",
+      "version-string": "1.0.3",
+      "port-version": 1
+    },
+    {
       "git-tree": "27c5f23197d8f38f23f64810b6a0ced0158b66cb",
       "version-string": "1.0.3",
       "port-version": 0
diff --git a/versions/z-/zserge-webview.json b/versions/z-/zserge-webview.json
index 873ace071..a25f30fe0 100644
--- a/versions/z-/zserge-webview.json
+++ b/versions/z-/zserge-webview.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "e10cdad91c0d47a7dc03717d941254291abfd0eb",
+      "version-string": "2019-04-27",
+      "port-version": 3
+    },
+    {
       "git-tree": "91f16a7320fcf8432fca4c071e0a9c1817f56cbd",
       "version-string": "2019-04-27-2",
       "port-version": 0
diff --git a/versions/z-/zstr.json b/versions/z-/zstr.json
index 4e6aff72c..d85da33f7 100644
--- a/versions/z-/zstr.json
+++ b/versions/z-/zstr.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "339a979f431eb74d38dbb731f60b89fd6cc2a43a",
+      "version-string": "1.0.4",
+      "port-version": 1
+    },
+    {
       "git-tree": "9e180d152b886a9b45cc03c36fadaee8968d79d1",
       "version-string": "1.0.4",
       "port-version": 0
diff --git a/versions/z-/zxing-cpp.json b/versions/z-/zxing-cpp.json
index d3cfdd84c..7b9975f26 100644
--- a/versions/z-/zxing-cpp.json
+++ b/versions/z-/zxing-cpp.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "242f57c2d8cbb10698ed8353b2efe1a716a5d177",
+      "version-string": "2020-12",
+      "port-version": 3
+    },
+    {
       "git-tree": "4891ff3ded94308cdc3f4c3b73956b80317a4767",
       "version-string": "2020-12-2",
       "port-version": 0
diff --git a/versions/z-/zydis.json b/versions/z-/zydis.json
index 9c7204fdb..dd3033238 100644
--- a/versions/z-/zydis.json
+++ b/versions/z-/zydis.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "1377782663be41b89898db78843a8e35417f90e9",
+      "version-string": "3.1.0",
+      "port-version": 2
+    },
+    {
       "git-tree": "a27e395ffb6b0c8329228b3df9c3af8fd19c1b44",
       "version-string": "3.1.0-1",
       "port-version": 0
diff --git a/versions/z-/zyre.json b/versions/z-/zyre.json
index 0819d9508..2ab1d8056 100644
--- a/versions/z-/zyre.json
+++ b/versions/z-/zyre.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "118b2285a26addbacaefb2f573f27e1a13bd4af3",
+      "version-string": "2019-07-07",
+      "port-version": 2
+    },
+    {
       "git-tree": "b3300f003099d2e0597453a90fa1df903b6b5c56",
       "version-string": "2019-07-07-1",
       "port-version": 0
diff --git a/versions/z-/zziplib.json b/versions/z-/zziplib.json
index 017e33288..b17a3621f 100644
--- a/versions/z-/zziplib.json
+++ b/versions/z-/zziplib.json
@@ -1,6 +1,11 @@
 {
   "versions": [
     {
+      "git-tree": "a83631e1e1b136f52e8367253ef162fb369f36a3",
+      "version-string": "0.13.71",
+      "port-version": 2
+    },
+    {
       "git-tree": "7cdcdf231074be830e74ba4c498b9b34ba50b94a",
       "version-string": "0.13.71",
       "port-version": 1