chore(deps-dev): bump boto3-stubs from 1.39.7 to 1.39.8 (#7006)

---
updated-dependencies:
- dependency-name: boto3-stubs
  dependency-version: 1.39.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Leandro Damascena <[email protected]>

Author: dependabot[bot]