chore: tag latest

Author: Samuel Dare

.github/workflows/docker.yml

@@ -47,5 +47,7 @@ jobs:
         with:
           context: .
           push: true
-          tags: ${{ steps.meta.outputs.tags }}
+          tags: |
+            ${{ steps.meta.outputs.tags }}
+            ghcr.io/${{ github.repository }}:latest
           labels: ${{ steps.meta.outputs.labels }}