Bump kafka-libs.version from 7.2.2 to 7.3.0 (#444)

Bumps `kafka-libs.version` from 7.2.2 to 7.3.0.

Updates `kafka-avro-serializer` from 7.2.2 to 7.3.0
- [Release notes](https://github.com/confluentinc/schema-registry/releases)
- [Commits](confluentinc/schema-registry@v7.2.2...v7.3.0)

Updates `kafka-schema-registry-client` from 7.2.2 to 7.3.0
- [Release notes](https://github.com/confluentinc/schema-registry/releases)
- [Commits](confluentinc/schema-registry@v7.2.2...v7.3.0)

Updates `kafka-protobuf-serializer` from 7.2.2 to 7.3.0
- [Release notes](https://github.com/confluentinc/schema-registry/releases)
- [Commits](confluentinc/schema-registry@v7.2.2...v7.3.0)

---
updated-dependencies:
- dependency-name: io.confluent:kafka-avro-serializer
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.confluent:kafka-schema-registry-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.confluent:kafka-protobuf-serializer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -22,7 +22,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <protobuf.version>3.21.7</protobuf.version>
         <testcontainers.version>1.17.5</testcontainers.version>
-        <kafka-libs.version>7.2.2</kafka-libs.version>
+        <kafka-libs.version>7.3.0</kafka-libs.version>
     </properties>
 
     <scm>