Fix: add requeue in skip and optimize readme

[FogDong]

Signed-off-by: FogDong dongtianxin.tx@alibaba-inc.com

Description of your changes

Fixes #

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

[codecov]

Codecov Report

Base: 68.26% // Head: 67.49% // Decreases project coverage by -0.76% ⚠️

Coverage data is based on head (15b6ebb) compared to base (95c2164).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #120      +/-   ##
==========================================
- Coverage   68.26%   67.49%   -0.77%     
==========================================
  Files          49       49              
  Lines        4323     4323              
==========================================
- Hits         2951     2918      -33     
- Misses       1010     1036      +26     
- Partials      362      369       +7     

Flag	Coverage Δ
e2etests	24.42% <0.00%> (-1.03%)	⬇️
unit-test	65.13% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
controllers/workflowrun_controller.go	67.66% <0.00%> (-9.78%)	⬇️
api/v1alpha1/types.go	0.00% <0.00%> (-11.12%)	⬇️
api/condition/condition.go	92.20% <0.00%> (-7.80%)	⬇️
pkg/context/context.go	71.52% <0.00%> (-3.32%)	⬇️
pkg/executor/workflow.go	79.59% <0.00%> (-1.80%)	⬇️

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[github-actions]

Successfully created backport PR #121 for release-0.4.