Bump com.uber.nullaway:nullaway from 0.13.7 to 0.13.8

Bumps [com.uber.nullaway:nullaway](https://github.com/uber/NullAway) from 0.13.7 to 0.13.8.
- [Release notes](https://github.com/uber/NullAway/releases)
- [Changelog](https://github.com/uber/NullAway/blob/master/CHANGELOG.md)
- [Commits](uber/NullAway@v0.13.7...v0.13.8)

---
updated-dependencies:
- dependency-name: com.uber.nullaway:nullaway
  dependency-version: 0.13.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -97,7 +97,7 @@
     <junit.version>6.0.0</junit.version>
     <memoryfilesystem.version>2.8.2</memoryfilesystem.version>
     <mockito.version>5.23.0</mockito.version>
-    <nullaway.version>0.13.7</nullaway.version>
+    <nullaway.version>0.13.8</nullaway.version>
     <slf4j.version>2.0.18</slf4j.version>
 
     <!-- Plugins -->