[azure-cli-ml] Update version to 1.13.0

[j-so]

---

This checklist is used to make sure that common guidelines for a pull request are followed.

General Guidelines

• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally?

For new extensions:

• My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your PR is merged into master branch, a new PR will be created to update src/index.json automatically.
The precondition is to put your code inside this repo and upgrade the version in the PR but do not modify src/index.json.

[azuresdkci]

If this PR is for a new extension or change to an existing extension, use the following to try out the changes in this PR:

docker run -it microsoft/azure-cli:latest
export EXT=<NAME>
pip install --upgrade --target ~/.azure/cliextensions/$EXT "git+https://github.com/j-so/azure-cli-extensions.git@jenns/azml_1_13_0#subdirectory=src/$EXT&egg=$EXT"

[j-so]

The error is with checksum in aks-preview. This PR does not touch that section at all.

[yonzhan]

azure-cli-ml

[fengzhou-msft]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).