Bump numpy from 1.19.1 to 1.22.0 in /solvers/codex

Bumps [numpy](https://github.com/numpy/numpy) from 1.19.1 to 1.22.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst)
- [Commits](numpy/numpy@v1.19.1...v1.22.0)

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

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

Author: dependabot[bot]

solvers/codex/requirements.txt

@@ -1,5 +1,5 @@
 astor==0.8.1
-numpy==1.19.1
+numpy==1.22.0
 openai==0.6.3
 tqdm==4.60.0
 transformers==2.11.0