fix: bump golang.org/x/net to v0.33.0 to mitigate CVE-2024-45338

[zhiying-lin]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:
There is a new CVE CVE-2024-45338 published yesterday marked with HIGH severity. This CVE impacts the low-level library golang/x/net, which is again, widely used by most components that have network access.

This CVE affects the code path on the golang.org/x/net/html package, on the API calls Parse/ParseXXX functions. This CVE is exploitable if your code is taking direct user input and feeding to the x/net/html function. The previous implementation is subject to denial-of-service attack for handling huge payload with the strings.ToLower call.

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.68%. Comparing base (5465567) to head (d6e71ac).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #234      +/-   ##
==========================================
+ Coverage   79.66%   79.68%   +0.02%     
==========================================
  Files          27       27              
  Lines        3840     3840              
==========================================
+ Hits         3059     3060       +1     
+ Misses        625      623       -2     
- Partials      156      157       +1     

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