fix: enable GatewayStaticAddresses conformance test

[Xunzhuo]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f203fe5) 65.71% compared to head (dedb182) 65.52%.
Report is 348 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2014      +/-   ##
==========================================
- Coverage   65.71%   65.52%   -0.19%     
==========================================
  Files          92       92              
  Lines       13509    13509              
==========================================
- Hits         8877     8852      -25     
- Misses       4090     4110      +20     
- Partials      542      547       +5     

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[arkodg]

@Xunzhuo to implement this, we need to implement this reason
https://github.com/kubernetes-sigs/gateway-api/blob/93da4e4621151e72d1ef3b4515611bc5d1d31adf/conformance/tests/gateway-static-addresses.go#L88

[github-actions]

This pull request has been automatically marked as stale because it has not had activity in the last 30 days. Please feel free to give a status update now, ping for review, when it's ready. Thank you for your contributions!

[github-actions]

This pull request has been automatically marked as stale because it has not had activity in the last 30 days. Please feel free to give a status update now, ping for review, when it's ready. Thank you for your contributions!

[github-actions]

This pull request has been automatically marked as stale because it has not had activity in the last 30 days. Please feel free to give a status update now, ping for review, when it's ready. Thank you for your contributions!