Bump pyarrow from 15.0.0 to 15.0.2 (#22)

Bumps [pyarrow](https://github.com/apache/arrow) from 15.0.0 to 15.0.2.
- [Commits](apache/arrow@go/v15.0.0...go/v15.0.2)

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

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

docs/requirements.txt

@@ -359,7 +359,7 @@ ptyprocess==0.7.0
     # via pexpect
 pure-eval==0.2.2
     # via stack-data
-pyarrow==15.0.0
+pyarrow==15.0.2
     # via dask
 pyarrow-hotfix==0.6
     # via dask