Only release Helm charts on tags

[treydock]

Signed-off-by: Trey Dockendorf tdockendorf@osc.edu

Related issue

Fixes #2264

Milestone of this PR

What type of PR is this

/kind bug

Proposed Changes

Only release the Helm charts on a tag prefiex by helm-chart-v so like helm-chart-v2.0.3.

Checklist

• I have read the contributing guidelines.
• [] I have added tests that prove my fix is effective or that my feature works.
• [] My PR contains new or altered behavior to Kyverno and
  • [] I have added or changed the documentation myself in an existing PR and the link is:
  • [] I have raised an issue in kyverno/website to track the doc update and the link is:
  • [] I have read the PR documentation guide and followed the process including adding proof manifests to this PR.

Further Comments

Might need updates to release wiki page

[realshuting]

Thank you @treydock !