Bump numpy from 1.19.5 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.19.5 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@v1.19.5...v1.22.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 pandas
 scikit-learn==0.21.3
 scipy==1.4.1
-numpy==1.19.5
+numpy==1.22.0
 nltk
 tqdm
 bs4==0.0.1