Bump error_prone_core from 2.15.0 to 2.16

Bumps [error_prone_core](https://github.com/google/error-prone) from 2.15.0 to 2.16.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.15.0...v2.16)

---
updated-dependencies:
- dependency-name: com.google.errorprone:error_prone_core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -51,7 +51,7 @@
     <jupiter.version>5.9.0</jupiter.version>
     <aspectj.version>1.9.9.1</aspectj.version>
     <maven.version>3.2.5</maven.version>
-    <errorprone.version>2.15.0</errorprone.version>
+    <errorprone.version>2.16</errorprone.version>
     <trimStackTrace>false</trimStackTrace>
     <preparationGoals>clean install</preparationGoals>
     <maven.compiler.version>3.10.1</maven.compiler.version>