build(deps): bump protobuf.version from 3.25.7 to 3.25.8 (#749)

Bumps `protobuf.version` 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](protocolbuffers/protobuf@v3.25.7...v3.25.8)

Updates `com.google.protobuf:protobuf-java-util` from 3.25.7 to 3.25.8

---
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:protobuf-java-util
  dependency-version: 3.25.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -20,7 +20,7 @@
         <!-- name of parameter changed in latest mvn javadoc plugin version-->
         <additionalOptions>-Xdoclint:none</additionalOptions>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <protobuf.version>3.25.7</protobuf.version>
+        <protobuf.version>3.25.8</protobuf.version>
         <testcontainers.version>1.21.0</testcontainers.version>
         <kafka-libs.version>7.9.1</kafka-libs.version>
         <docker.platforms>linux/amd64,linux/arm64</docker.platforms>