Bump to gateway api v0.6.0

[arkodg]

• update go module
• copy over newer experimental CRDs into testdata
• incorporate ObservedGeneration into status condition comparisons
• ensure that the two gateway status update code paths (one when a service or deployment linked to a gateway changes and the second where the gateway-api translator has recomputed the status) use the same status updater function, ensuring that the ObservedGeneration is always up to date in all status fields

Fixes: #716 Fixes: #839

Signed-off-by: Arko Dasgupta arko@tetrate.io

[codecov-commenter]

Codecov Report

❌ Patch coverage is 53.33333% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.13%. Comparing base (b05aa93) to head (08eb586).
⚠️ Report is 4007 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/provider/kubernetes/controller.go	40.00%	7 Missing and 2 partials ⚠️
internal/gatewayapi/contexts.go	50.00%	0 Missing and 2 partials ⚠️
internal/status/gateway.go	0.00%	2 Missing ⚠️
internal/status/status.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #874      +/-   ##
==========================================
+ Coverage   63.91%   64.13%   +0.22%     
==========================================
  Files          51       52       +1     
  Lines        6869     7129     +260     
==========================================
+ Hits         4390     4572     +182     
- Misses       2203     2275      +72     
- Partials      276      282       +6     

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[Xunzhuo]

lgtm