Update versions-manifest (#83)

Co-authored-by: Service account <no-reply@microsoft.com>

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @actions/virtual-environments-owners

azure-pipelines/templates/build-job.yml

@@ -8,16 +8,6 @@ jobs:
   - checkout: self
     submodules: true
 
-# We need this temporary step to have a consistent version of PowerShell on all images.
-  - task: PowerShell@2
-    displayName: 'Update PowerShell version for macOS'
-    condition: eq(variables['Platform'], 'darwin')
-    inputs:
-      TargetType: inline
-      script: |
-        brew update
-        brew cask upgrade powershell
-
   - task: PowerShell@2
     displayName: 'Build Python $(VERSION)'
     inputs:

installers/nix-setup-template.sh

@@ -50,7 +50,7 @@ chmod +x ../python $PYTHON_MAJOR $PYTHON_MAJOR_DOT_MINOR $PYTHON_MAJORMINOR pyth
 
 echo "Upgrading PIP..."
 ./python -m ensurepip
-./python -m pip install --ignore-installed pip
+./python -m pip install --ignore-installed pip --no-warn-script-location
 
 echo "Create complete file"
 touch $PYTHON_TOOLCACHE_VERSION_PATH/x64.complete

installers/win-setup-template.ps1

@@ -121,9 +121,14 @@ if ($LASTEXITCODE -ne 0) {
     Throw "Error happened during Python installation"
 }
 
+Write-Host "Create `python3` symlink"
+if ($MajorVersion -ne "2") {
+    New-Item -Path "$PythonArchPath\python3.exe" -ItemType SymbolicLink -Value "$PythonArchPath\python.exe"
+}
+
 Write-Host "Install and upgrade Pip"
 $PythonExePath = Join-Path -Path $PythonArchPath -ChildPath "python.exe"
-cmd.exe /c "$PythonExePath -m ensurepip && $PythonExePath -m pip install --upgrade pip"
+cmd.exe /c "$PythonExePath -m ensurepip && $PythonExePath -m pip install --upgrade pip --no-warn-script-location"
 
 Write-Host "Create complete file"
 New-Item -ItemType File -Path $PythonVersionPath -Name "$Architecture.complete" | Out-Null