aadded some debugging

.forgejo/workflows/container-build.yml

@@ -4,6 +4,10 @@ jobs:
   build-image:
     runs-on: host
     steps:
+      - name: Test OS
+        shell: js
+        run: |
+          console.log(process.env.RUNNER_OS)
       - uses: actions/checkout@v3
       - uses: https://github.com/redhat-actions/buildah-build@v2
         with: