build(deps): bump libmozdata from 0.2.7 to 0.2.11 in /bot

Bumps [libmozdata](https://github.com/mozilla/libmozdata) from 0.2.7 to 0.2.11.
- [Release notes](https://github.com/mozilla/libmozdata/releases)
- [Commits](mozilla/libmozdata@v0.2.7...v0.2.11)

---
updated-dependencies:
- dependency-name: libmozdata
  dependency-version: 0.2.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

bot/requirements.txt

@@ -1,6 +1,6 @@
 -e ../tools #egg=code-coverage-tools
 google-cloud-storage==2.18.2
-libmozdata==0.2.7
+libmozdata==0.2.11
 pytoml==0.1.21
 pyyaml==6.0.2
 tenacity==9.1.2