add protobuf compiler

Author: FabienDanieau

.github/workflows/tests.yml

@@ -14,7 +14,9 @@ jobs:
 
     steps:
       - name: Install Gstreamer
-        run: sudo apt-get update && sudo apt-get -y install libglib2.0-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev
+        run:
+          sudo apt-get update && sudo apt-get -y install libglib2.0-dev libgstreamer1.0-dev \
+          libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev protobuf-compiler
 
       - uses: actions/checkout@v4
         with: