build(deps-dev): bump mypy-boto3 from 1.34.103 to 1.34.108 (#2319)

Bumps [mypy-boto3](https://github.com/youtype/mypy_boto3_builder) from 1.34.103 to 1.34.108.
- [Release notes](https://github.com/youtype/mypy_boto3_builder/releases)
- [Commits](https://github.com/youtype/mypy_boto3_builder/commits)

---
updated-dependencies:
- dependency-name: mypy-boto3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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