Bump numpy from 1.12.1 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.12.1 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@v1.12.1...v1.22.0)

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

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

Author: dependabot[bot]

requirement.txt

@@ -29,7 +29,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 nltk==3.3
 notebook>=5.7.8
-numpy==1.12.1
+numpy==1.22.0
 packaging==16.8
 pandas==0.19.2
 pandocfilters==1.4.2