Add Github action for code-coverage

Author: SuhashiniNaik

.github/workflows/build.yml

@@ -1,6 +1,6 @@
 name: CMake on a single platform
 
-on: [workflow_call,pull_request]
+on: [push,pull_request]
 
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)