Bump numpy from 1.18.1 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.18.1 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@v1.18.1...v1.22.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ djangorestframework==3.11.2
 drf-yasg==1.17.1
 Markdown==2.6.5
 mysqlclient==1.4.6
-numpy==1.18.1
+numpy==1.22.0
 wheel==0.24.0
 uWSGI==2.0.19.1