deps: update dependency com.google.errorprone:error_prone_annotations to v2.31.0

Author: renovate-bot

gax-java/dependencies.properties

@@ -63,7 +63,7 @@ maven.com_google_guava_failureaccess=com.google.guava:failureaccess:1.0.2
 maven.org_apache_commons_commons_lang3=org.apache.commons:commons-lang3:3.16.0
 maven.com_google_android_annotations=com.google.android:annotations:4.1.1.4
 maven.com_google_code_findbugs_jsr305=com.google.code.findbugs:jsr305:3.0.2
-maven.com_google_errorprone_error_prone_annotations=com.google.errorprone:error_prone_annotations:2.30.0
+maven.com_google_errorprone_error_prone_annotations=com.google.errorprone:error_prone_annotations:2.31.0
 maven.com_google_j2objc_j2objc_annotations=com.google.j2objc:j2objc-annotations:2.8
 maven.com_google_auto_value_auto_value=com.google.auto.value:auto-value:1.11.0
 maven.com_google_auto_value_auto_value_annotations=com.google.auto.value:auto-value-annotations:1.11.0