Fixed typo in installation / Helm Chart

[fabriziofiorucci]

Proposed changes

Fixed commands typo in https://docs.nginx.com/nginx-ingress-controller/installation/using-the-jwt-token-docker-secret/#helm-chart

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[ADubhlaoich]

LGTM!

[codecov]

Codecov Report

Merging #4335 (056cdb8) into main (37ab8d6) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #4335      +/-   ##
==========================================
- Coverage   52.19%   52.17%   -0.03%     
==========================================
  Files          59       59              
  Lines       16929    16929              
==========================================
- Hits         8836     8832       -4     
- Misses       7796     7798       +2     
- Partials      297      299       +2     

see 1 file with indirect coverage changes

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[vepatel]

@fabriziofiorucci @ADubhlaoich this PR won't be merged as its targeting main from main, please have a look at https://github.com/nginxinc/kubernetes-ingress/blob/main/CONTRIBUTING.md#open-a-pull-request

[vepatel]

@brianehlert can't be merged, see comment above!

[brianehlert]

@brianehlert can't be merged, see comment above!

Thank you. Removing milestone target.