validation for bootstrap within EnvoyProxy res

[arkodg]

Relates to #31

[codecov-commenter]

Codecov Report

Merging #1109 (e4bd4fe) into main (aadebca) will increase coverage by 0.04%.
The diff coverage is 60.00%.

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@@            Coverage Diff             @@
##             main    #1109      +/-   ##
==========================================
+ Coverage   62.42%   62.47%   +0.04%     
==========================================
  Files          72       72              
  Lines        9430     9495      +65     
==========================================
+ Hits         5887     5932      +45     
- Misses       3136     3150      +14     
- Partials      407      413       +6     

Impacted Files	Coverage Δ
api/config/v1alpha1/validation/envoyproxy.go	68.18% <60.00%> (-21.82%)	⬇️
internal/ir/xds.go	72.90% <0.00%> (-1.24%)	⬇️
internal/gatewayapi/route.go	86.33% <0.00%> (ø)
internal/ir/zz_generated.deepcopy.go	12.39% <0.00%> (+0.04%)	⬆️
internal/provider/kubernetes/controller.go	50.56% <0.00%> (+1.24%)	⬆️
internal/provider/kubernetes/helpers.go	83.10% <0.00%> (+3.37%)	⬆️

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[zirain]

lgtm, with follow up: #1116