Bump mlflow from 2.12.1 to 3.6.0

Bumps [mlflow](https://github.com/mlflow/mlflow) from 2.12.1 to 3.6.0.
- [Release notes](https://github.com/mlflow/mlflow/releases)
- [Changelog](https://github.com/mlflow/mlflow/blob/master/CHANGELOG.md)
- [Commits](mlflow/mlflow@v2.12.1...v3.6.0)

---
updated-dependencies:
- dependency-name: mlflow
  dependency-version: 3.6.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

backend/requirements.txt

@@ -7,7 +7,7 @@ fastapi>=0.110.0
 pydantic>=2.0.0
 # Required for MLflow and pkg_resources
 setuptools
-mlflow==2.12.1
+mlflow==3.6.0
 cloudpickle==3.0.0
 numpy==1.26.4
 packaging==24.0

mlflow/requirements.txt

@@ -1,5 +1,5 @@
 # --- MLflow dependency ---
 setuptools>=68.0.0
 psycopg2-binary==2.9.11
-mlflow==2.12.1
+mlflow==3.6.0
 boto3==1.40.59