tests(ci): check non-EOL pythons are available on all workers

.github/workflows/test-python.yml

@@ -14,6 +14,30 @@ on:
   workflow_dispatch:
 
 jobs:
+  check-non-eol-available:  # non EOL versions of python shall be available on all workers
+    name: non-eol ${{ matrix.python-version }} ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-11, macos-12, macos-13, macos-14, windows-2019, windows-2022, ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, setup-actions-ubuntu-arm64-2-core, setup-actions-windows-arm64-4-core]
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Python and check latest
+        uses: ./
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Validate version
+        run: |
+          $pythonVersion = (python --version)
+          if ("$pythonVersion" -NotMatch "${{ matrix.python-version }}"){
+            Write-Host "The current version is $pythonVersion; expected version is ${{ matrix.python-version }}"
+            exit 1
+          }
+          $pythonVersion
+        shell: pwsh
+
   setup-versions-from-manifest:
     name: Setup ${{ matrix.python }} ${{ matrix.os }}
     runs-on: ${{ matrix.os }}