[Feature][E2E] Add helm test case

[prclin]

Purpose of this pull request

add helm test case

Does this PR introduce any user-facing change?

no

How was this patch tested?

change field "on" in check-helm-chart.yml to "workflow_dispatch", and manually run workflow.

Check list

• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config
• Update the release-note.

[prclin]

all done for helm action, but need to push a new changes in deploy/kubernetes/seatunnel to trigger workflow to test if it can be triggered.
this workflow has been tested manually by switch field "on" to "workflow_dispatch". for further test, need to push new commits which edit chart files.

[liunaijie]

thanks! @prclin LGTM

[prclin]

kudu job failed, i rerunned it. but it should not be affect by these commits

[Hisoka-X]

Thanks @prclin