test creation of env file from gitea jobs

.gitea/workflows/varnish-exporter.yml

@@ -11,6 +11,17 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4 # default goes to /workspace/Clients/xxx
+
+      - name: test - add env file
+        run: |
+          echo "MY_GLOBAL_VAR=newvalue" > .version
+          git config --global user.name 'gitea-actions'
+          git config --global user.email 'no-reply@brainsys.io'
+          git add .version
+          git commit -m "Update version variable"
+          git push
+
       - name: Get version
         run: |
           TAG=${{ gitea.ref_name }}