[TASK] Remove login

Login should happen automatically,
so no additional user/password reuqired

.github/workflows/build.yml

@@ -44,10 +44,16 @@ jobs:
           sudo snap install yq
           ./build.sh -v ${{ matrix.version }} -l
           DDEV_VERSION=${{ matrix.version }} bash bats tests
+      -
+        name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: "Build ddev ${{ matrix.version }} multi-arch image"
         shell: 'script -q -e -c "bash {0}"'
         run: |
-          echo ${{ secrets.GHCR_TOKEN }} | docker login ghcr.io -u ${{ secrets.GHCR_USERNAME }} --password-stdin
           docker buildx create --use --platform=linux/arm64,linux/amd64
           ./build.sh -v ${{ matrix.version }} -x -p