Bump com.github.spotbugs from 5.1.3 to 5.2.1 in /lib/kotlin

Bumps com.github.spotbugs from 5.1.3 to 5.2.1.

---
updated-dependencies:
- dependency-name: com.github.spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
1 file changed