ci: Refactor GitHub actions and workflows

- Refactor workflow to remove publishing of the floating tag
- Improve readability of the workflow definition
- Ensure consistency in the workflow configurations

.github/workflows/publish-latest-image.yaml

@@ -23,14 +23,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3
-
-      # Publish the Git describe tag
-      - run: make publish-image
-        env:
-          DOCKER_DEFAULT_PLATFORM: ${{ matrix.arch }}
-
-      # Publish the floating tag
       - run: make publish-image
         env:
-          DOCKER_DEFAULT_PLATFORM: ${{ matrix.arch }}
-          VERSION: latest
+          DOCKER_DEFAULT_PLATFORM: ${{ matrix.arch }}