Update Codecov action to exclude certain directories

Exclude specific directories from coverage upload.

Author: anyaevostinar

.github/workflows/CI.yml

@@ -32,6 +32,8 @@ jobs:
 
       - name: Upload coverage
         uses: codecov/codecov-action@v5
+        with:
+          exclude: source/catch,source/json,source/test
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}