build(deps): bump protobuf-java from 3.9.2 to 3.16.1

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.9.2 to 3.16.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/master/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.9.2...v3.16.1)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -39,7 +39,7 @@
         <commons.version>4.2.0-SNAPSHOT</commons.version>
         <collections.version>4.4</collections.version>
         <avro.version>1.7.7</avro.version>
-        <protobuf.version>3.9.2</protobuf.version>
+        <protobuf.version>3.16.1</protobuf.version>
         <grpc.version>1.23.1</grpc.version>
         <htsjdk.version>2.23.0</htsjdk.version>
         <slf4j.version>1.7.25</slf4j.version>