Bump protobuf from 3.19.4 to 3.19.5 in /docker

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.4 to 3.19.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.19.4...v3.19.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:development
...

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

docker/dev.requirements.txt

@@ -146,7 +146,7 @@ prometheus-client==0.14.1
 promise==2.3
 prompt-toolkit==3.0.29
 proto-plus==1.20.6
-protobuf==3.19.4
+protobuf==3.19.5
 psutil==5.9.1
 ptyprocess==0.7.0
 pure-eval==0.2.2