Bump mlflow from 2.2.1 to 2.2.2

Bumps [mlflow](https://github.com/mlflow/mlflow) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/mlflow/mlflow/releases)
- [Changelog](https://github.com/mlflow/mlflow/blob/master/CHANGELOG.md)
- [Commits](mlflow/mlflow@v2.2.1...v2.2.2)

---
updated-dependencies:
- dependency-name: mlflow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,4 +1,4 @@
-mlflow==2.2.1
+mlflow==2.2.2
 pymysql==1.0.2
 psycopg2-binary==2.9.5
 protobuf==4.22.0