Bump numpy from 1.18 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.18 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@v1.18.0...v1.22.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 requests==2.20.0
 cryptography==3.3.2
-numpy==1.18
+numpy==1.22.0
 protobuf==3.12.4
 pytest==6.2.1
 pytest-asyncio==0.14.0