build(deps): bump codecov/codecov-action from 3.1.5 to 4.0.1

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3.1.5 to 4.0.1.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3.1.5...v4.0.1)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test.yaml

@@ -62,7 +62,7 @@ jobs:
       - name: Run coverage (IO tests and Spec tests against PostgreSQL 15)
         run: postgrest-coverage
       - name: Upload coverage to codecov
-        uses: codecov/codecov-action@v3.1.5
+        uses: codecov/codecov-action@v4.0.1
         with:
           files: ./coverage/codecov.json