deps: update dependency com.google.errorprone:error_prone_annotations to v2.4.0 (#107)

Co-authored-by: Tianzi Cai <tianzi@google.com>

Author: renovate-bot

google-cloud-pubsublite/pom.xml

@@ -85,7 +85,7 @@
     <dependency>
       <groupId>com.google.errorprone</groupId>
       <artifactId>error_prone_annotations</artifactId>
-      <version>2.3.4</version>
+      <version>2.4.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.auto.value</groupId>

pubsublite-beam-io/pom.xml

@@ -57,7 +57,7 @@
     <dependency>
       <groupId>com.google.errorprone</groupId>
       <artifactId>error_prone_annotations</artifactId>
-      <version>2.3.4</version>
+      <version>2.4.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.auto.value</groupId>