Upgrade protoc version for build workflow

Author: samkim

Diff for: .github/workflows/build.yaml

@@ -30,9 +30,9 @@ jobs:
       - uses: "ruby/setup-ruby@v1"
         with:
           ruby-version: "2.7.3"
-      - uses: "arduino/setup-protoc@v1"
+      - uses: "arduino/setup-protoc@v2"
         with:
-          version: "3.19.4"
+          version: "21.12"
       - name: "Install Homebrew & gRPC"
         run: |
           bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"