[Misc] Build script - Update "versions" in all .csproj files

[dvoituron]

[Build Script] PS Script to update all .csproj files

Update all .csproj files, adding these properties, excluding the files from $excludePatterns
- `AssemblyVersion = $assemblyVersion`,
- `FileVersion = $assemblyVersion`,
- `InformationalVersion = $assemblyVersion`,
- `Version = $packageVersion`,

Example

.\update-assembly-version -sourcePath "./" -excludePatterns "**/src/Templates/content/**/*.csproj", "**/tests/TemplateValidation/**/*.csproj" -assemblyVersion "1.2.3" -packageVersion "4.5.6"

This YAML task must be validated in ADO.

# Set version number (exclude some folders)
- task: PowerShell@2
  displayName: 'Versioning $(Build.BuildNumber)'
  inputs:
    targetType: 'filePath'
    filePath: $(System.DefaultWorkingDirectory)/.azure-devops/common/update-assembly-version.ps1
    arguments: > # Use this to avoid newline characters in multiline string
      -sourcePath "$(System.DefaultWorkingDirectory)/"
      -excludePatterns "**/src/Templates/content/**/*.csproj", "**/tests/TemplateValidation/**/*.csproj"
      -assemblyVersion "$(AssemblyVersion)"
      -packageVersion "$(PackageVersion)"