ignore external contracts from code cov (#544)

Author: joaquim-verges

.github/workflows/tests.yml

@@ -43,6 +43,8 @@ jobs:
         run: |
           forge coverage --report lcov
           lcov --remove lcov.info -o lcov.info 'src/test/**'
+          lcov --remove lcov.info -o lcov.info 'contracts/external-deps/**'
+          lcov --remove lcov.info -o lcov.info 'contracts/eip/**'
           forge test
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3