Automatic code cleanup.

PiperOrigin-RevId: 639062534

Author: cushon

pom.xml

@@ -89,7 +89,7 @@
     <guava.version>32.1.3-jre</guava.version>
     <truth.version>1.4.0</truth.version>
     <jspecify.version>0.3.0</jspecify.version>
-    <errorprone.version>2.16</errorprone.version>
+    <errorprone.version>2.28.0</errorprone.version>
     <auto-value.version>1.9</auto-value.version>
     <auto-service.version>1.0.1</auto-service.version>
     <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>