Upgrade closure-compiler to protobuf version 3.21.12

Fixes #4022

PiperOrigin-RevId: 503524821

Author: brad4d

WORKSPACE.bazel

@@ -175,7 +175,7 @@ jar_jar_repositories()
 load("@rules_jvm_external//:defs.bzl", "maven_install")
 maven_install(
     artifacts = [
-        "com.google.protobuf:protobuf-java:3.19.6",
+        "com.google.protobuf:protobuf-java:3.21.12",
     ],
     repositories = [
         "https://repo1.maven.org/maven2",