chore: add labels to RolloutInfo api object response

[phclark]

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".
• I've signed my commits with DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My builds are green. Try syncing with master if they are not.
• My organization is added to USERS.md.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (69c697c) 81.71% compared to head (05de999) 81.78%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3096      +/-   ##
==========================================
+ Coverage   81.71%   81.78%   +0.07%     
==========================================
  Files         134      134              
  Lines       20432    20461      +29     
==========================================
+ Hits        16695    16735      +40     
+ Misses       2876     2863      -13     
- Partials      861      863       +2     

Files	Coverage Δ
metricproviders/webmetric/webmetric.go	78.23% <100.00%> (+9.34%)	⬆️
pkg/kubectl-argo-rollouts/info/rollout_info.go	89.74% <100.00%> (+0.10%)	⬆️
metricproviders/prometheus/prometheus.go	87.42% <86.95%> (+1.80%)	⬆️

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[github-actions]

Go Published Test Results

2 049 tests   2 049 ✔️  2m 42s ⏱️
   118 suites         0 💤
       1 files           0 ❌

Results for commit 05de999.

♻️ This comment has been updated with latest results.

[github-actions]

E2E Tests Published Test Results

    4 files      4 suites   3h 48m 44s ⏱️
102 tests   82 ✔️   6 💤 14 ❌
448 runs  384 ✔️ 24 💤 40 ❌

For more details on these failures, see this check.

Results for commit 05de999.

♻️ This comment has been updated with latest results.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
11.1% Duplication

[phclark]

Closing this PR in favor of #3118