Remove fetch-tags from action

It seems that `fetch-tags` is buggy when triggering action on tag: actions/checkout#1467

Signed-off-by: Marek Pikuła <marek@serenitycode.dev>

.github/workflows/build-docker.yaml

@@ -25,8 +25,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
-          fetch-tags: true
-          fetch-depth: 20
+          fetch-depth: 50
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3