Update build.yml

Author: Eeems

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Login to Docker Hub
         uses: docker/login-action@v2
         with:
-          repository: ghcr.io
+          registry: ghcr.io
           username: matteodelabre
           password: ${{ secrets.CR_PAT }}
       - name: Build and publish images