build(deps): bump tenacity from 7.0.0 to 8.0.1 in /bot (#1016)

Bumps [tenacity](https://github.com/jd/tenacity) from 7.0.0 to 8.0.1.
- [Release notes](https://github.com/jd/tenacity/releases)
- [Commits](jd/tenacity@7.0.0...8.0.1)

---
updated-dependencies:
- dependency-name: tenacity
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

bot/requirements.txt

@@ -4,6 +4,6 @@ libmozdata==0.1.70
 pytoml==0.1.21
 pytz==2021.1
 pyyaml==5.4.1
-tenacity==7.0.0
+tenacity==8.0.1
 tqdm==4.60.0
 zstandard==0.15.2