Bump com.uber.nullaway:nullaway from 0.12.12 to 0.12.13 (#6930)

Bumps [com.uber.nullaway:nullaway](https://github.com/uber/NullAway) from 0.12.12 to 0.12.13.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.12.12...v0.12.13)

---
updated-dependencies:
- dependency-name: com.uber.nullaway:nullaway
  dependency-version: 0.12.13
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -178,7 +178,7 @@ mockitoCore5 = { module = "org.mockito:mockito-core", version.ref = "mockito5" }
 mongoSync = { module = "org.mongodb:mongodb-driver-sync", version.ref = "mongo" }
 nettyBom = { module = "io.netty:netty-bom", version.ref = "netty" }
 newrelicApi = { module = "com.newrelic.agent.java:newrelic-api", version.ref = "newrelic-api" }
-nullAway = { module = "com.uber.nullaway:nullaway", version = "0.12.12" }
+nullAway = { module = "com.uber.nullaway:nullaway", version = "0.12.13" }
 okhttp = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
 # some proto are marked alpha, hence the alpha version. metrics proto is what we use and it is marked stable
 openTelemetry-proto = { module = "io.opentelemetry.proto:opentelemetry-proto", version = "1.8.0-alpha" }