MINOR: Bump error_prone_core.version from 2.37.0 to 2.38.0

Bumps `error_prone_core.version` from 2.37.0 to 2.38.0.

Updates `com.google.errorprone:error_prone_annotations` from 2.37.0 to 2.38.0
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.37.0...v2.38.0)

Updates `com.google.errorprone:error_prone_core` from 2.37.0 to 2.38.0
- [Release notes](https://github.com/google/error-prone/releases)
- [Commits](google/error-prone@v2.37.0...v2.38.0)

---
updated-dependencies:
- dependency-name: com.google.errorprone:error_prone_annotations
  dependency-version: 2.38.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.google.errorprone:error_prone_core
  dependency-version: 2.38.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -108,7 +108,7 @@ under the License.
     <forkCount>2</forkCount>
     <checkstyle.version>10.23.0</checkstyle.version>
     <checkstyle.failOnViolation>true</checkstyle.failOnViolation>
-    <error_prone_core.version>2.37.0</error_prone_core.version>
+    <error_prone_core.version>2.38.0</error_prone_core.version>
     <checker.framework.version>3.49.3</checker.framework.version>
     <logback.version>1.5.18</logback.version>
     <doclint>none</doclint>