fix CD by fetching tags, too

.github/workflows/docker-image.yml

@@ -19,7 +19,12 @@ jobs:
       contents: read
 
     steps:
-    - uses: actions/checkout@v4
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        # we need tags for docker version tagging
+        fetch-tags: true
+        fetch-depth: 0
     - # Activate cache export feature to reduce build time of images
       name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3