fix: bump hugo theme to 0.33

[Jcahilltorre]

Proposed changes

update go.mod hugo theme version to 0.33.0

• Coveo search fixes

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

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues found.

Scanned Manifest Files

docs/go.mod

• github.com/nginxinc/[email protected]
• github.com/nginxinc/[email protected]

[codecov]

Codecov Report

Merging #4060 (2ef89d9) into main (70d5574) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #4060      +/-   ##
==========================================
+ Coverage   51.83%   51.85%   +0.02%     
==========================================
  Files          59       59              
  Lines       16705    16705              
==========================================
+ Hits         8659     8663       +4     
+ Misses       7747     7745       -2     
+ Partials      299      297       -2     

see 1 file with indirect coverage changes

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