Update confluent-kafka[protobuf] requirement from ==2.2.* to >=2.2,<2.4

Updates the requirements on [confluent-kafka[protobuf]](https://github.com/confluentinc/confluent-kafka-python) to permit the latest version.
- [Release notes](https://github.com/confluentinc/confluent-kafka-python/releases)
- [Changelog](https://github.com/confluentinc/confluent-kafka-python/blob/master/CHANGELOG.md)
- [Commits](confluentinc/confluent-kafka-python@v2.2.0rc2.dev1...v2.3.0)

---
updated-dependencies:
- dependency-name: confluent-kafka[protobuf]
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -19,7 +19,7 @@
       install_requires=[
           'pipelinewise-singer-python==2.*',
           'dpath==2.1.*',
-          'confluent-kafka[protobuf]==2.2.*',
+          'confluent-kafka[protobuf]>=2.2,<2.4',
           'grpcio-tools==1.57.*'
       ],
       extras_require={