Bump nullaway from 0.9.1 to 0.9.2

Bumps [nullaway](https://github.com/uber/NullAway) from 0.9.1 to 0.9.2.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.9.1...v0.9.2)

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

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

pom.xml

@@ -92,7 +92,7 @@
     <maven-pitest-plugin.version>1.6.8</maven-pitest-plugin.version>
     <pitest-junit5-plugin.version>0.14</pitest-junit5-plugin.version>
     <error-prone.version>2.8.1</error-prone.version>
-    <nullaway.version>0.9.1</nullaway.version>
+    <nullaway.version>0.9.2</nullaway.version>
     <revapi-maven-plugin.version>0.14.3</revapi-maven-plugin.version>
     <revapi-java.version>0.24.4</revapi-java.version>
     <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>