Update cpp_tests.yml

Author: vshcryabets

.github/workflows/cpp_tests.yml

@@ -24,6 +24,7 @@ jobs:
     - name: Create build directory and run CMake
       run: |
         sudo apt-get -y update
+        sudo apt-get install -y libx264-dev        
         
     - name: Configure CMake
       working-directory: ${{github.workspace}}/