Bump joblib from 1.1.0 to 1.2.0

Bumps [joblib](https://github.com/joblib/joblib) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/joblib/joblib/releases)
- [Changelog](https://github.com/joblib/joblib/blob/main/CHANGES.rst)
- [Commits](joblib/joblib@1.1.0...1.2.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -25,4 +25,4 @@ scikit-learn==1.0.2  # For machine learning
 numpy==1.21.6  # For numerical operations
 
 # Optional: Joblib for model persistence
-joblib==1.1.0  # For saving and loading models
+joblib==1.2.0  # For saving and loading models