Bump numpy from 1.21.0 to 1.22.0 in /api

Bumps [numpy](https://github.com/numpy/numpy) from 1.21.0 to 1.22.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v1.21.0...v1.22.0)

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

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

Author: dependabot[bot]

api/requirements.txt

@@ -47,7 +47,7 @@ MarkupSafe==2.1.2
 matplotlib==3.4.3
 mdurl==0.1.2
 multidict==6.0.4
-numpy==1.21.0
+numpy==1.22.0
 openai==0.27.6
 packaging==23.1
 pandas==1.3.5