Update correct path for default-server-secret

[jasonwilliams14]

Proposed changes

Small update to manifest install, which points to the correct path where the default-server-secret.yaml file is located.

Checklist

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

• [ X] 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
• [ 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

[codecov]

Codecov Report

Merging #3713 (b9a29ff) into main (ad149b2) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3713      +/-   ##
==========================================
- Coverage   52.35%   52.33%   -0.03%     
==========================================
  Files          59       59              
  Lines       16880    16880              
==========================================
- Hits         8838     8834       -4     
- Misses       7747     7749       +2     
- Partials      295      297       +2     

see 1 file with indirect coverage changes

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