ci: fix docker tagging

Author: c-wygoda

.github/workflows/tag-n-release.yml

@@ -58,6 +58,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           ref: ${{ needs.tag.outputs.tag }}
+          fetch-tags: true
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to GitHub Container Registry