* [imgui] Update to 1.85

* [imgui] Update version files

* [imgui] Replace deprecated vcpkg functions

* [imgui] Update version files

Co-authored-by: Rémy Tassoux <rt2@rasterizedworld.com>

* Update indicators to 2.2

* Update CI baseline

Co-authored-by: chausner <chausner@users.noreply.github.com>
Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

* [imgui] Fix build issues on OSX

 * bump required cmake version because OBJCXX support has been introduced in 3.16

 * set C++ standard to c++11 on Apple.  Imgui own examples use c++14, however c++11 was found to be sufficient

 * enable Objective-C++ mode for *.mm sources

 * add `-fobjc-weak` flag for imgui_impl_metal.mm to fix compile error

* [imgui] Fix build issues on OSX

 * bump required cmake version because OBJCXX support has been introduced in 3.16

 * set C++ standard to c++11 on Apple.  Imgui own examples use c++14, however c++11 was found to be sufficient

 * enable Objective-C++ mode for *.mm sources

 * add `-fobjc-weak` flag for imgui_impl_metal.mm to fix compile error

* Update ports/imgui/vcpkg.json

Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>

* [imgui] Fix manifest format

* Ran `vcpkg x-add-version imgui`

Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>

* Fix mingw dll installation

* Patch static lib naming

* Update icu homepage

* Fix mingw builds on windows triplet host

* Update versions

Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

* many-ports: Update supports field

* Fix several "version-string"s.

Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

```
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
```

* update imgui

* version

* use correct ref for docking

* version

* update commit for dockiung

* version

* [icu] Fix tool path

* Update the baseline version

* Apply the review suggestions

Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

* fixes for macOS dynamic lib install

* bump port version

* remove mingw change

* move install outside of conditional

* update portfile hash

Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>

* [icu] remove setting triplet

* add version files