Merge pull request #128 from Azure/dependabot/pip/nlp/python-sdk-v2/data-science/environments/training/mlflow-2.2.1

Bump mlflow from 1.25.1 to 2.2.1 in /nlp/python-sdk-v2/data-science/environments/training

nlp/python-sdk-v2/data-science/environments/training/requirements.txt

@@ -8,7 +8,7 @@ rouge_score==0.0.4
 sentencepiece==0.1.96
 
 # for metrics reporting/plotting
-mlflow==1.25.1
+mlflow==2.2.1
 azureml-mlflow==1.41.0
 # matplotlib==3.5.2
 # tqdm==4.64.0