build(deps): bump libmozdata from 0.1.86 to 0.2.4 in /bot (#2090)

Bumps [libmozdata](https://github.com/mozilla/libmozdata) from 0.1.86 to 0.2.4.
- [Release notes](https://github.com/mozilla/libmozdata/releases)
- [Commits](mozilla/libmozdata@v0.1.86...v0.2.4)

---
updated-dependencies:
- dependency-name: libmozdata
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

bot/requirements.txt

@@ -1,6 +1,6 @@
 -e ../tools #egg=code-coverage-tools
 google-cloud-storage==2.11.0
-libmozdata==0.1.86
+libmozdata==0.2.4
 pytoml==0.1.21
 pyyaml==6.0.1
 tenacity==8.2.3