Missing packages in coverage build

Author: anarthal

.github/workflows/coverage.yml

@@ -22,7 +22,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Install dependencies
-      run: sudo apt-get --no-install-recommends -y install cmake lcov g++-11 redis-server
+      run: sudo apt-get --no-install-recommends -y install cmake lcov g++-11 redis-server python3 libgd-perl
 
     - name: Setup Boost
       run: ./tools/ci.py setup-boost --source-dir=$(pwd)