fix: rollout not modify the VirtualService whit setHeaderRoute step

[huoyinghao]

closes: #2780

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional with a list of types and scopes found here, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
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remove the generation check for set header route,
When using Workload Ref to associate resources, we modify the mirror version of the resources, and the generation of rollouts will not be updated

[github-actions]

Go Published Test Results

2 032 tests   2 032 ✔️  2m 40s ⏱️
   118 suites         0 💤
       1 files           0 ❌

Results for commit 29cf48a.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02 🎉

Comparison is base (20e00e4) 81.68% compared to head (29cf48a) 81.71%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2797      +/-   ##
==========================================
+ Coverage   81.68%   81.71%   +0.02%     
==========================================
  Files         133      133              
  Lines       20309    20324      +15     
==========================================
+ Hits        16589    16607      +18     
+ Misses       2862     2860       -2     
+ Partials      858      857       -1     

Impacted Files	Coverage Δ
rollout/trafficrouting.go	73.92% <100.00%> (+0.09%)	⬆️
utils/annotations/annotations.go	97.53% <100.00%> (+0.23%)	⬆️

... and 1 file with indirect coverage changes

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[github-actions]

E2E Tests Published Test Results

    4 files      4 suites   3h 39m 36s ⏱️
102 tests   89 ✔️   6 💤   7 ❌
418 runs  384 ✔️ 24 💤 10 ❌

For more details on these failures, see this check.

Results for commit 29cf48a.

♻️ This comment has been updated with latest results.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
23.3% Duplication

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

No Coverage information
32.1% Duplication