Bump com.uber.nullaway:nullaway from 0.11.3 to 0.12.1

Bumps [com.uber.nullaway:nullaway](https://github.com/uber/NullAway) from 0.11.3 to 0.12.1.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.11.3...v0.12.1)

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

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

Author: dependabot[bot]

pom.xml

@@ -123,7 +123,7 @@
             <path>
               <groupId>com.uber.nullaway</groupId>
               <artifactId>nullaway</artifactId>
-              <version>0.11.3</version>
+              <version>0.12.1</version>
             </path>
           </annotationProcessorPaths>
         </configuration>