build(deps): bump types-protobuf from 3.18.0 to 3.18.1 in /requirements
build(deps): bump types-protobuf from 3.18.0 to 3.18.1 in /requirements

Bumps [types-protobuf](https://github.com/python/typeshed) from 3.18.0 to 3.18.1.
- [Release notes](https://github.com/python/typeshed/releases)
- [Commits](https://github.com/python/typeshed/commits)

---
updated-dependencies:
- dependency-name: types-protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
postlund/pyatv,postlund/pyatv