Bump httplib2 from 0.9.2 to 0.19.0 in /ICLR2023

Bumps [httplib2](https://github.com/httplib2/httplib2) from 0.9.2 to 0.19.0.
- [Release notes](https://github.com/httplib2/httplib2/releases)
- [Changelog](https://github.com/httplib2/httplib2/blob/master/CHANGELOG)
- [Commits](httplib2/httplib2@0.9.2...v0.19.0)

---
updated-dependencies:
- dependency-name: httplib2
  dependency-type: direct:production
...

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Author: dependabot[bot]

ICLR2023/requirements.txt

@@ -94,7 +94,7 @@ frozenlist==1.2.0
 fsspec==2021.11.0
 gitdb==4.0.7
 GitPython==3.1.30
-httplib2==0.9.2
+httplib2==0.19.0
 huggingface-hub==0.1.2
 humanize==3.11.0
 hyperlink==17.3.1