Bump org.checkerframework:checker-qual from 3.34.0 to 3.39.0 (#63)

Bumps [org.checkerframework:checker-qual](https://github.com/typetools/checker-framework) from 3.34.0 to 3.39.0.
- [Release notes](https://github.com/typetools/checker-framework/releases)
- [Changelog](https://github.com/typetools/checker-framework/blob/master/docs/CHANGELOG.md)
- [Commits](typetools/checker-framework@checker-framework-3.34.0...checker-framework-3.39.0)

---
updated-dependencies:
- dependency-name: org.checkerframework:checker-qual
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ errorprone = "2.21.1"
 errorprone-plugin = "3.0.1"
 nullaway = "0.10.12"
 nullaway-plugin = "1.5.0"
-checkerframework = "3.34.0"
+checkerframework = "3.39.0"
 spotless-plugin = "6.22.0"
 coveralls-plugin = "2.12.0"
 snyk-plugin = "0.4"