Bump protobuf-java in /java/amazon-kinesis-producer

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.11.4 to 3.19.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/master/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.11.4...v3.19.4)

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

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

java/amazon-kinesis-producer/pom.xml

@@ -74,7 +74,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.11.4</version>
+            <version>3.19.4</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>