chore(deps): bump azureml-train-core in /requirements

Bumps [azureml-train-core](https://docs.microsoft.com/python/api/overview/azure/ml/?view=azure-ml-py) from 1.60.0 to 1.62.0.

---
updated-dependencies:
- dependency-name: azureml-train-core
  dependency-version: 1.62.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/base.txt

@@ -16,7 +16,7 @@ openpyxl==3.1.5         # for Excel file support from kaggle datasets
 
 # Azure ML SDK - essential components only
 azureml-core==1.60.0.post1
-azureml-train-core==1.60.0
+azureml-train-core==1.62.0
 azureml-pipeline-core==1.60.0
 azureml-train-automl==1.60.0
 azureml-widgets==1.60.0