Bump numpy from 1.16.2 to 1.22.0 in /fclib (#238)

Bumps [numpy](https://github.com/numpy/numpy) from 1.16.2 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/v1.16.2...v1.22.0)

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

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fclib/requirements.txt

@@ -1,7 +1,7 @@
 pandas==0.23.4
 datetime>=4.3
 scikit-learn==0.20.3
-numpy==1.16.2
+numpy==1.22.0
 requests>=2.23.0
 tqdm>=4.43.0
 matplotlib>=3.1.2