fix ListenerSetProtocolConflict conformace test

[zirain]

wait #8361

[netlify]

✅ Deploy Preview for cerulean-figolla-1f9435 canceled.

Name	Link
🔨 Latest commit	d4371b4
🔍 Latest deploy log	https://app.netlify.com/projects/cerulean-figolla-1f9435/deploys/69a8e01c13403c0008409013

[codecov]

Codecov Report

❌ Patch coverage is 94.11765% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.27%. Comparing base (e45e248) to head (d4371b4).
⚠️ Report is 59 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/gatewayapi/contexts.go	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8412      +/-   ##
==========================================
+ Coverage   74.19%   74.27%   +0.07%     
==========================================
  Files         242      242              
  Lines       37310    37373      +63     
==========================================
+ Hits        27683    27758      +75     
+ Misses       7696     7685      -11     
+ Partials     1931     1930       -1     

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