ci: Only upload artifact at the release branch

[imjoey]

Signed-off-by: imjoey [email protected]

Please answer these questions before submitting a pull request, or your PR will get closed.

Why submit this pull request?

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What changes will this PR take into?

For now, every pull-request/push will trigger the upload-artifact CI action, which is actually needed for release only. This PR is going to restrict artifact uploading to perform only on release/** branch.

Related issues

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[codecov-commenter]

Codecov Report

Merging #2137 (93cf221) into master (79012fd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2137   +/-   ##
=======================================
  Coverage   67.48%   67.48%           
=======================================
  Files         126      126           
  Lines        3294     3294           
  Branches      802      802           
=======================================
  Hits         2223     2223           
  Misses       1071     1071           

Flag	Coverage Δ
frontend-e2e-test	67.48% <ø> (ø)

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[Jaycean]

LGTM