Create qa-azure workflow

.github/workflows/qa-azure.yaml

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+name: QA on Azure
+# QA checks on Azure, allowing the use of a real WSL back-en
+
+concurrency: azure-vm
+
+on:
+  pull_request:
+  workflow_dispatch:
+  push:
+    branches: [main]
+
+env:
+  az_name: wsl-ci-3
+  az_resource_group: wsl
+
+jobs:
+  vm-setup:
+    name: Set up Azure VM
+    runs-on: ubuntu-latest
+    steps:
+      - name: Azure login
+        uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_VM_CREDS }}
+      - name: Start the Runner
+        shell: bash
+        run: |
+          az vm start --name ${{ env.az_name }} --resource-group ${{ env.az_resource_group }}
+
+  qa:
+    name: Run end-to-end tests on the Azure VM
+    runs-on: [self-hosted, Windows]
+    needs: vm-setup
+    steps:
+      - name: Set up git
+        uses: canonical/ubuntu-pro-for-windows/.github/actions/setup-git@main
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Ubuntu
+        uses: Ubuntu/WSL/.github/actions/wsl-install@main
+        with:
+          distro: "Ubuntu"
+      - name: Set up Go
+        # actions/setup-go is broken
+        shell: powershell
+        run: |
+          winget install GoLang.Go
+          Exit(0)
+      - name: Download Appx
+        uses: actions/download-artifact@v3
+        with:
+          name: UbuntuProForWindows+.*
+          path: ci-artifacts
+      - name: Download Wsl-Pro-Service
+        uses: actions/download-artifact@v3
+        with:
+          name: wsl-pro-service_.*
+          path: ci-artifacts
+      - name: Set up artifacts
+        shell: powershell
+        working-directory: ci-artifacts
+        run: |
+          Write-Output "::group::Set up AppxPackage"
+          Get-AppxPackage -Name "CanonicalGroupLimited.UbuntuProForWindows" | Remove-AppxPackage -ErrorAction Ignore
+
+          New-Item -Name "windows-agent" -ItemType Directory
+          Move-Item -Path "UbuntuProForWindows+*/UbuntuProForWindows_*/*.msixbundle" -Destination "windows-agent/"
+          Move-Item -Path "UbuntuProForWindows+*/UbuntuProForWindows_*/*.cer"       -Destination "windows-agent/"
+          Remove-Item -Recurse "UbuntuProForWindows+*/"
+
+          $cert = "$(Get-ChildItem windows-agent/UbuntuProForWindows_*.cer)"
+          Import-Certificate  -FilePath "${cert}" -CertStoreLocation Cert:LocalMachine\TrustedPeople
+
+          Write-Output "::endgroup::"
+
+          Write-Output "::group::Set up WSL Pro Service"
+          New-Item -Name "wsl-pro-service" -ItemType Directory
+          Move-Item -Path "wsl-pro-service_*/wsl-pro-service_*.deb" -Destination "wsl-pro-service/"
+          Remove-Item -Recurse "wsl-pro-service_*/"
+          Write-Output "::endgroup::"
+      - name: Test
+        shell: powershell
+        env:
+          GIT_TERMINAL_PROMPT: "0"
+          UP4W_TEST_OVERRIDE_DESTRUCTIVE_CHECKS: "1"
+          UP4W_TEST_BUILD_PATH: "../ci-artifacts"
+          UP4W_TEST_PRO_TOKEN: "${{ secrets.UBUNTU_PRO_TOKEN }}"
+        run: |
+          go env -w "GOPRIVATE=github.com/${{ github.repository }}"
+
+          go test .\end-to-end -shuffle=on -timeout 20m
+          if ( "$LastExitCode" -ne "0" ) { Exit(1) }
+      - name: Clean up
+        if: always()
+        shell: powershell
+        run: |
+          # Clean up artifacts
+
+          # Remove .gitconfig so that the github URL overrides do not stack
+          Remove-Item -Recurse -Path "${HOME}\.gitconfig" -ErrorAction Ignore
+
+          # Uninstall Appx
+          Get-AppxPackage -Name "CanonicalGroupLimited.UbuntuProForWindows" | Remove-AppxPackage -ErrorAction Ignore
+
+  stop-vm:
+    name: Clean up the Azure VM
+    runs-on: ubuntu-latest
+    needs: [vm-setup, qa]
+    if: always()
+    steps:
+      - name: Azure login
+        uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_VM_CREDS }}
+      - name: Deallocate the Runner
+        shell: bash
+        run: |
+          az vm deallocate --name ${{ env.az_name }} --resource-group ${{ env.az_resource_group }}