config: remove arv7 platform

Author: manuel-rw

.github/workflows/docker-publish.yml

@@ -74,7 +74,7 @@ jobs:
         id: build-and-push
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
-          platforms: linux/amd64,linux/arm/v7
+          platforms: linux/amd64
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}