Add python3-protobuf package to SwSS Container

[vivekrnv]

Why I did it

Fix #18765

Work item tracking

• Microsoft ADO (number only):

How I did it

How to verify it

user@server:sonic-buildimage$ make target/docker-orchagent.gz
user@server:sonic-buildimage$ docker load < target/docker-orchagent.gz
user@server:sonic-buildimage$ docker run -it --entrypoint /bin/bash docker-orchagent:latest
root@bc897ed58831:/# dpkg -l | grep protobuf
ii  libprotobuf-lite32:amd64           3.21.12-3                      amd64        protocol buffers C++ library (lite version)
ii  libprotobuf32:amd64                3.21.12-3                      amd64        protocol buffers C++ library
ii  python3-protobuf                   3.21.12-3                      amd64        Python 3 bindings for protocol buffers

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211
• 202305

Tested branch (Please provide the tested image version)

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)