[nginx] Update the example with the GA sku

[limingu]

---

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

Related command

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 pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
The precondition is to put your code inside this repository and upgrade the version in the pull request but do not modify src/index.json.

[yonzhan]

nginx

[kairu-ms]

Please pull the latest change in azure-cli repo and record the failed tests in live to fix CI issues. Thanks.

[limingu]

@kairu-ms I updated the test records. Now it passed. Could you please help merge it? Thanks.

[kairu-ms]

PR merged. If you want to release a new version, please update the version of extension