build(deps): bump com.google.errorprone:error_prone_annotations (#1055)

Bumps [com.google.errorprone:error_prone_annotations](https://github.com/google/error-prone) from 2.20.0 to 2.21.0.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.20.0...v2.21.0)

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

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

plc4j/integrations/apache-calcite/pom.xml

@@ -163,7 +163,7 @@
       <dependency>
         <groupId>com.google.errorprone</groupId>
         <artifactId>error_prone_annotations</artifactId>
-        <version>2.20.0</version>
+        <version>2.21.0</version>
       </dependency>
     </dependencies>
   </dependencyManagement>