Bump pandas from 1.5.3 to 2.2.1

Bumps [pandas](https://github.com/pandas-dev/pandas) from 1.5.3 to 2.2.1.
- [Release notes](https://github.com/pandas-dev/pandas/releases)
- [Commits](https://github.com/pandas-dev/pandas/compare/v1.5.3...v2.2.1)

---
updated-dependencies:
- dependency-name: pandas
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -1,6 +1,6 @@
 torch==2.1.1
 transformers
-pandas==1.5.3
+pandas==2.2.1
 langchain==0.0.333
 langchain-experimental==0.0.10
 httpx==0.24.1