Bump libmozdata from 0.1.77 to 0.1.78 (#2966)

Bumps [libmozdata](https://github.com/mozilla/libmozdata) from 0.1.77 to 0.1.78.
- [Release notes](https://github.com/mozilla/libmozdata/releases)
- [Commits](https://github.com/mozilla/libmozdata/compare/v0.1.77...v0.1.78)

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

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

requirements.txt

@@ -2,7 +2,7 @@ amqp==5.1.1
 beautifulsoup4==4.11.1
 boto3==1.24.2
 imbalanced-learn==0.9.1
-libmozdata==0.1.77
+libmozdata==0.1.78
 lmdb==1.3.0
 markdown2==2.4.3
 matplotlib==3.5.2