build(deps): bump numpy in /corona cases forecasting

Bumps [numpy](https://github.com/numpy/numpy) from 1.22.0rc1 to 1.22.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v1.22.0rc1...v1.22.0)

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

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

Author: dependabot[bot]

corona cases forecasting/requirements.txt

@@ -1,4 +1,4 @@
-numpy==1.22.0rc1
+numpy==1.22.0
 pandas==1.1.3
 matplotlib==3.3.2
 statsmodels==0.12.2