Bump numpy from 1.14.5 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.14.5 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](https://github.com/numpy/numpy/compare/v1.14.5...v1.22.0)

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

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

requirements.txt

@@ -21,7 +21,7 @@ kiwisolver==1.0.1
 Markdown==3.0.1
 matplotlib==3.0.1
 networkx==2.2
-numpy==1.14.5
+numpy==1.22.0
 opencv-contrib-python==3.4.3.18
 opencv-python==3.4.2.17
 pafy==0.5.4