XXX: Use tmp-protoc-go-tool branch

Author: adombeck

.github/workflows/qa.yaml

@@ -57,7 +57,7 @@ jobs:
           sudo apt-get install -y ${{ env.go_build_dependencies }}
       - uses: actions/checkout@v5
       - name: Go code sanity check
-        uses: canonical/desktop-engineering/gh-actions/go/code-sanity@v2
+        uses: canonical/desktop-engineering/gh-actions/go/code-sanity@tmp-protoc-go-tool
         with:
           golangci-lint-configfile: ".golangci.yaml"
           tools-directory: "tools"