build(deps-dev): bump com.google.protobuf:protobuf-java (#2382)

Bumps [com.google.protobuf:protobuf-java](https://github.com/protocolbuffers/protobuf) from 4.30.2 to 4.31.0.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v4.30.2...v4.31.0)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-version: 4.31.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

embedded-spicedb/pom.xml

@@ -15,7 +15,7 @@
     <properties>
         <grpc-protobuf.version>1.72.0</grpc-protobuf.version>
         <authzed.version>1.3.1</authzed.version>
-        <protobuf-java.version>4.30.2</protobuf-java.version>
+        <protobuf-java.version>4.31.0</protobuf-java.version>
     </properties>
 
     <dependencies>