chore(deps): bump mlflow from 2.11.1 to 2.12.1 in /tests/data/serve_resources/mlflow/tensorflow (aws#4691)

Bumps [mlflow](https://github.com/mlflow/mlflow) from 2.11.1 to 2.12.1.
- [Release notes](https://github.com/mlflow/mlflow/releases)
- [Changelog](https://github.com/mlflow/mlflow/blob/master/CHANGELOG.md)
- [Commits](mlflow/mlflow@v2.11.1...v2.12.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

tests/data/serve_resources/mlflow/tensorflow/requirements.txt

@@ -1,4 +1,4 @@
-mlflow==2.11.1
+mlflow==2.12.1
 cloudpickle==2.2.1
 numpy==1.26.4
 tensorflow==2.16.1