update image tags

Author: npv2k1

.github/workflows/build-dev-container.yaml

@@ -44,6 +44,7 @@ jobs:
         uses: devcontainers/[email protected]
         with:
           subFolder: ${{ matrix.dir }}
-          imageName: ghcr.io/pnstack/codespace/${{ matrix.dir }}
+          imageName: ghcr.io/pnstack/codespace
+          imageTag: ${{ matrix.dir }}
           platform: linux/amd64,linux/arm64
           push: always