Bump protobuf from 3.25.7 to 3.25.8

Bumps `protobuf` from 3.25.7 to 3.25.8.

Updates `com.google.protobuf:protobuf-java` from 3.25.7 to 3.25.8
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v3.25.7...v3.25.8)

Updates `com.google.protobuf:protoc` from 3.25.7 to 3.25.8
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v3.25.7...v3.25.8)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-version: 3.25.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.google.protobuf:protoc
  dependency-version: 3.25.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ logback = "1.5.18"
 micrometer = "1.14.8"
 micrometer-docs-gen = "1.0.4"
 micrometer-tracing = "1.4.7"
-protobuf = "3.25.7"
+protobuf = "3.25.8"
 pulsar = "3.3.7"
 pulsar-reactive = "0.6.0"
 reactor = "2024.0.6"