Chore: stable the version of workflow to 0.5.0 for 1.8 release

[FogDong]

Description of your changes

Checkout the release of workflow v0.5.0: https://github.com/kubevela/workflow/releases/tag/v0.5.0

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

Special notes for your reviewer

[github-advanced-security]

You have successfully added a new Trivy configuration .github/workflows/trivy-scan.yml:images. As part of the setup process, we have scanned this repository and found 5 existing alerts. Please check the repository Security tab to see all alerts.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -32.05 ⚠️

Comparison is base (542b32b) 61.68% compared to head (d6b3aed) 29.64%.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #5759       +/-   ##
===========================================
- Coverage   61.68%   29.64%   -32.05%     
===========================================
  Files         217      214        -3     
  Lines       30694    30559      -135     
===========================================
- Hits        18933     9058     -9875     
- Misses      10023    20378    +10355     
+ Partials     1738     1123      -615     

Flag	Coverage Δ
core-unittests	?
e2e-multicluster-test	25.67% <ø> (+0.03%)	⬆️
e2e-rollout-tests	22.30% <ø> (ø)
e2etests	28.01% <ø> (-0.14%)	⬇️

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see 149 files with indirect coverage changes

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[github-actions]

Successfully created backport PR for release-1.8:

• [Backport release-1.8] Chore: stable the version of workflow to 0.5.0 for 1.8 release #5765