Update dependency protobuf to v6.33.2 (#3800)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

flink-python/dev/dev-requirements.txt

@@ -33,4 +33,4 @@ grpcio==1.76.0
 grpcio-tools==1.76.0
 pemja==0.6.1; python_version >= '3.7' and platform_system != 'Windows'
 httplib2>=0.31.0,<=0.31.0
-protobuf==6.33.1
+protobuf==6.33.2