fix: deprecate skip-current-step command

[harikrongali]

Checklist:

• Resolves Simplify plugin promote options (deprecate --skip-current-step) #1142.
• [X ] The title of the PR is (a) conventional, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• [X ] 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

Merging #1156 (fbd0591) into master (f5e2d82) will decrease coverage by 0.00%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master    #1156      +/-   ##
==========================================
- Coverage   81.02%   81.01%   -0.01%     
==========================================
  Files         105      105              
  Lines        9396     9404       +8     
==========================================
+ Hits         7613     7619       +6     
- Misses       1264     1265       +1     
- Partials      519      520       +1     

Impacted Files	Coverage Δ
pkg/kubectl-argo-rollouts/cmd/promote/promote.go	93.90% <75.00%> (-2.05%)	⬇️
rollout/pause.go	95.09% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f5e2d82...fbd0591. Read the comment docs.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
4.4% Duplication