Bump google-cloud-spanner-jdbc from 2.4.1 to 2.4.2 (#318)
Bump google-cloud-spanner-jdbc from 2.4.1 to 2.4.2 (#318)

Bumps [google-cloud-spanner-jdbc](https://github.com/googleapis/java-spanner-jdbc) from 2.4.1 to 2.4.2.
- [Release notes](https://github.com/googleapis/java-spanner-jdbc/releases)
- [Changelog](https://github.com/googleapis/java-spanner-jdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/googleapis/java-spanner-jdbc/compare/v2.4.1...v2.4.2)

---
updated-dependencies:
- dependency-name: com.google.cloud:google-cloud-spanner-jdbc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
GoogleCloudPlatform/google-cloud-spanner-hibernate,GoogleCloudPlatform/google-cloud-spanner-hibernate,GoogleCloudPlatform/google-cloud-spanner-hibernate