Bump numpy from 1.11.2 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.11.2 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](https://github.com/numpy/numpy/compare/v1.11.2...v1.22.0)

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

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

requirements.txt

@@ -15,7 +15,7 @@ jmespath==0.9.3
 kiwisolver==1.0.1
 matplotlib==2.2.3
 networkx==1.11
-numpy==1.11.2
+numpy==1.22.0
 pyparsing==2.3.1
 python-dateutil==2.7.5
 pytz==2018.9