.github: fetch tags for image build.

If we build images from a shallow clone, git describe isn't able
to determine a descriptive version derived from the latest tag.
Therefore fetch full history with all tags for image builds.

Signed-off-by: Krisztian Litkey <[email protected]>

.github/workflows/publish-images.yaml

@@ -23,6 +23,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Build images
         run: make images