make release to mark image source

.github/workflows/release_stable.yml

@@ -55,6 +55,29 @@ jobs:
           SUMMARY=$'Image ${{ env.DOCKER_NAMESPACE }}/${{ env.DOTCLEAR_IMAGE }}:${{ steps.dotclear.outputs.version }} found.'
           echo "$SUMMARY" >> $GITHUB_STEP_SUMMARY
 
+  do_release:
+    needs: check_image
+    if: ((needs.check_image.outputs.exists == 'false') || (github.event.inputs.rebuild == 'true'))
+    name: Create repository tag and release
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ncipollo/release-action@v1
+        with:
+          name: Docker Dotclear ${{ needs.check_image.outputs.version }}
+          commit: master
+          tag: ${{ needs.check_image.outputs.version }}
+          body: Source for docker image of Dotclear ${{ needs.check_image.outputs.version }} stable
+          draft: false
+          prerelease: false
+
+      - name: summary
+        run: |
+          SUMMARY=$'Docker Dotclear ${{ steps.dotclear.outputs.version }} release created.'
+          echo "$SUMMARY" >> $GITHUB_STEP_SUMMARY
+
   do_image:
     needs: check_image
     if: ((needs.check_image.outputs.exists == 'false') || (github.event.inputs.rebuild == 'true'))