Update numpy version from 1.21.0 to 1.22.0 (#9)

Bumps [numpy](https://github.com/numpy/numpy) from 1.21.0 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@v1.21.0...v1.22.0)

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

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Author: dependabot[bot]

service/requirements.txt

@@ -7,6 +7,6 @@ python_dotenv==0.19
 alibi-detect==0.8.1
 mlflow-skinny==1.21.0
 scikit-learn
-numpy==1.21.0
+numpy==1.22.0
 pandas==1.2.4
 scikit-learn==0.24.1