Run packaging job on windows

Author: tvallin

.github/workflows/validate.yml

@@ -314,11 +314,12 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        os: [ ubuntu-20.04, macos-14 ]
+        os: [ ubuntu-20.04, macos-14, windows-2022 ]
         packaging: [ jar, jlink ]
         include:
           - { os: ubuntu-20.04, platform: linux }
           - { os: macos-14, platform: macos }
+          - { os: windows-2022, platform: windows }
     runs-on: ${{ matrix.os }}
     name: tests/packaging-${{ matrix.packaging }}-${{ matrix.platform }}
     steps: