updated publish-cli-version workflow: added Install Protoc step in the pipeline

Author: LorenzoTettamanti

.github/workflows/publish-cli-version.yml

@@ -16,6 +16,9 @@ jobs:
     steps:
     - name: Checkout code
       uses: actions/checkout@v3
+    
+    - name: Install Protoc
+      run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
 
     - name: test version (dry-run) and metadata checks
       working-directory: ./cli