chore: ignore tools in codecov (#3055)

ignore tools in codecov

Author: tac0turtle

codecov.yml

@@ -12,8 +12,7 @@ ignore:
   - "scripts/"
   - "pkg/rpc/example/"
   - "apps"
-  - "da/internal/mocks"
-  - "da/cmd"
+  - "tools"
   - "execution/evm" # EVM is covered in e2e/integration tests
   - "**/metrics.go"
   - "client" # TODO: add more tests