Bump numpy from 1.19.2 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.19.2 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@v1.19.2...v1.22.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -7,7 +7,7 @@ nltk~=3.5
 PyYAML~=5.3.1
 schedule~=0.6.0
 tqdm~=4.50.0
-numpy~=1.19.2
+numpy~=1.22.0
 sklearn~=0.0
 scikit-learn~=0.23.2
 matplotlib~=3.6.2