chore(ci): bump docker/login-action from v3 to v4

Author: bk86a

.github/workflows/ci.yml

@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: docker/login-action@v3
+      - uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}