Bump com.uber.nullaway:nullaway from 0.10.14 to 0.10.15

Bumps [com.uber.nullaway:nullaway](https://github.com/uber/NullAway) from 0.10.14 to 0.10.15.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.10.14...v0.10.15)

---
updated-dependencies:
- dependency-name: com.uber.nullaway:nullaway
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -16,7 +16,7 @@ jakarta-mail-api = { module = "jakarta.mail:jakarta.mail-api", version = "2.1.2"
 junit = { module = "junit:junit", version.ref = "junit" }
 maven-plugin = { module = "com.vanniktech:gradle-maven-publish-plugin", version = "0.25.3" }
 mail = { module = "javax.mail:mail", version = "1.4.7"}
-nullaway = { module = "com.uber.nullaway:nullaway", version = "0.10.14" }
+nullaway = { module = "com.uber.nullaway:nullaway", version = "0.10.15" }
 protobuf-java = { module = "com.google.protobuf:protobuf-java", version.ref = "protobuf" }
 protobuf-java-util = { module = "com.google.protobuf:protobuf-java-util", version.ref = "protobuf" }
 spotless = { module = "com.diffplug.spotless:spotless-plugin-gradle", version = "6.22.0" }