python setup CI action for arm linux (#578)

* Workaround for missing Python binaries for ARM

* Trigger CI job

* Add Python install workaround to remaining jobs

* Typo

.gitea/workflows/test.yml

@@ -21,7 +21,15 @@ jobs:
     steps:
       - name: "Clone project repository"
         uses: actions/checkout@v3
-      - name: "Install Python"
+      # At present the stock setup-python action fails on Linux/aarch64
+      # Conditional steps below workaroud this by using deadsnakes for that case only
+      - name: "Install Python for ARM on Linux"
+        if: ${{ runner.arch == 'arm64' && runner.os == 'Linux' }}
+        uses: deadsnakes/action@v3.0.1
+        with:
+          python-version: '3.8'
+      - name: "Install Python cases other than ARM on Linux"
+        if: ${{ ! (runner.arch == 'arm64' && runner.os == 'Linux') }}
         uses: actions/setup-python@v4
         with:
           python-version: '3.8'