build(deps): bump pyyaml from 6.0.2 to 6.0.3 in /bot (#2803)

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/6.0.3/CHANGES)
- [Commits](yaml/pyyaml@6.0.2...6.0.3)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

@@ -2,7 +2,7 @@
 google-cloud-storage==3.9.0
 libmozdata==0.2.7
 pytoml==0.1.21
-pyyaml==6.0.2
+pyyaml==6.0.3
 tenacity==9.1.2
 tqdm==4.67.3
 zstandard==0.23.0