ci(actions): Switch Fontship from Docker Hub to GHCR to get actual latest

Author: alerque

.github/workflows/fontship.yml

@@ -18,7 +18,7 @@ jobs:
           git fetch --prune --tags ||:
       - name: Fontship make
         id: fontship
-        uses: docker://theleagueof/fontship:latest
+        uses: theleagueof/fontship@latest
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with: