Bump error_prone_core from 2.10.0 to 2.11.0 (#409)

* Dropped Google Error Prone with java8-parent (#418)

Error Prone >= 2.11.0 requires Java >= 11.

* Bump error_prone_core from 2.10.0 to 2.11.0

Bumps [error_prone_core](https://github.com/google/error-prone) from 2.10.0 to 2.11.0.
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.10.0...v2.11.0)

---
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] <support@github.com>

Co-authored-by: John Freeman <john.freeman.opensource@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -25,7 +25,7 @@
     <checkstyle.failsOnError>true</checkstyle.failsOnError>
     <checkstyle.version>9.3</checkstyle.version>
     <docker.image>${project.artifactId}</docker.image>
-    <error-prone.version>2.10.0</error-prone.version>
+    <error-prone.version>2.11.0</error-prone.version>
     <extra-enforcer-rules.version>1.5.1</extra-enforcer-rules.version>
     <flatten-maven-plugin.version>1.2.7</flatten-maven-plugin.version>
     <fmt-maven-plugin.version>2.13</fmt-maven-plugin.version>