Update protobuf-java to v3.25.6 (from v3.21.12).

PiperOrigin-RevId: 727114613

Author: 12wrigja

MODULE.bazel

@@ -20,7 +20,7 @@ MAVEN_ARTIFACTS = [
     "com.google.guava:guava:33.4.0-jre",
     "com.google.guava:guava-testlib:33.4.0-jre",
     "com.google.jimfs:jimfs:1.2",
-    "com.google.protobuf:protobuf-java:3.21.12",
+    "com.google.protobuf:protobuf-java:3.25.6",
     "com.google.re2j:re2j:1.3",
     "com.google.truth.extensions:truth-proto-extension:1.4.4",
     "io.github.java-diff-utils:java-diff-utils:4.12",
@@ -40,7 +40,7 @@ ORDERED_POM_OR_GRADLE_FILE_LIST = [
     "https://github.com/google/guava/blob/v32.1.2@/guava/pom.xml",
     "https://github.com/google/guava/blob/v32.1.2@/guava-testlib/pom.xml",
     "https://github.com/google/jimfs/blob/v1.2@/jimfs/pom.xml",
-    "https://github.com/protocolbuffers/protobuf/blob/v3.21.12@/java/core/pom.xml",
+    "https://github.com/protocolbuffers/protobuf/blob/v3.25.6@/java/core/pom.xml",
     "https://github.com/google/re2j/blob/re2j-1.3@/build.gradle",
     "https://github.com/google/truth/blob/v1.4.4@/extensions/proto/pom.xml",
     "https://github.com/java-diff-utils/java-diff-utils/blob/java-diff-utils-parent-4.12@/java-diff-utils/pom.xml",