adding automountServiceAccountToken to helm chart

[jasonwilliams14]

Proposed changes

Describe the use case and detail of the change. If this PR addresses an issue on GitHub, make sure to include a link to that issue here in this description (not in the title of the PR).

Checklist

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

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

[lucacome]

Not sure if my suggestions for the descriptions make sense, calling in @nginxinc/nginx-docs 😄

[codecov-commenter]

Codecov Report

Merging #3031 (6746a05) into main (f03f906) will decrease coverage by 0.03%.
The diff coverage is n/a.

❗ Current head 6746a05 differs from pull request most recent head cfa058d. Consider uploading reports for the commit cfa058d to get more accurate results

@@            Coverage Diff             @@
##             main    #3031      +/-   ##
==========================================
- Coverage   52.32%   52.29%   -0.04%     
==========================================
  Files          58       58              
  Lines       15995    15995              
==========================================
- Hits         8370     8364       -6     
- Misses       7348     7352       +4     
- Partials      277      279       +2     

Impacted Files	Coverage Δ
...ternal/k8s/appprotect/app_protect_configuration.go	86.16% <0.00%> (-0.58%)	⬇️
internal/k8s/configuration.go	95.39% <0.00%> (-0.37%)	⬇️

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[jasonwilliams14]

Closed duplicate PR and added files for the manifest files as needed.