Bump numpy from 1.18.5 to 1.22.0 in /Language Detection

Bumps [numpy](https://github.com/numpy/numpy) from 1.18.5 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@v1.18.5...v1.22.0)

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

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

Author: dependabot[bot]

Language Detection/requirements.txt

@@ -1,6 +1,6 @@
 Flask==1.1.2
 scikit-learn==0.23.1
-numpy==1.18.5
+numpy==1.22.0
 pandas==1.1.4
 regex==2020.11.13
 Werkzeug==1.0.1