Bump com.uber.nullaway:nullaway from 0.12.11 to 0.12.12 (#993)

Bumps [com.uber.nullaway:nullaway](https://github.com/uber/NullAway) from 0.12.11 to 0.12.12.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.12.11...v0.12.12)

---
updated-dependencies:
- dependency-name: com.uber.nullaway:nullaway
  dependency-version: 0.12.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -276,7 +276,7 @@
                             <path>
                                 <groupId>com.uber.nullaway</groupId>
                                 <artifactId>nullaway</artifactId>
-                                <version>0.12.11</version>
+                                <version>0.12.12</version>
                             </path>
                         </annotationProcessorPaths>
                     </configuration>