Bump numpy from 1.14.6 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.14.6 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@v1.14.6...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

@@ -31,7 +31,7 @@
 ## Install numpy (if it's the first time) then all the packages listed in this file (see
 ## docs/create-pyenv.md about whether to add `--no-binary numpy,scipy` to these steps):
 ## [When updating numpy here also update it below, in Dockerfile, and in docs/*.]
-#   pip install numpy==1.19.5
+#   pip install numpy==1.22.0
 #   pip install -r requirements.txt && pyenv rehash
 
 # Installers
@@ -49,7 +49,7 @@ wheel>=0.34.2
 # pytest-cov is for `pytest --cov`.
 #
 # TODO: Periodically unfreeze, update, test, and refreeze.
-numpy==1.19.5
+numpy==1.22.0
 scipy==1.5.4
 
 aesara==2.0.8