codecov's test coverage report for patch does not seem right

[XSAM]

This PR is full covered by tests. https://github.com/XSAM/otelsql/pull/576/changes

But the coverage for patch is failed. This also failed the CI. https://app.codecov.io/gh/XSAM/otelsql/commit/197f6da910c2b3bc0cfe208fef0a41b7506a5c79