feat(kuma-cp) add virtual host domain name configurer

[jpeach]

Testing

• Unit tests
• E2E tests
• Manual testing on Universal
• Manual testing on Kubernetes

Backwards compatibility

• [-] Add backport-to-stable label if the code is backwards compatible. Otherwise, list breaking changes.

[codecov-commenter]

Codecov Report

Merging #2590 (f33ddb6) into master (a931218) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2590      +/-   ##
==========================================
+ Coverage   52.16%   52.21%   +0.04%     
==========================================
  Files         869      869              
  Lines       48568    48576       +8     
==========================================
+ Hits        25337    25365      +28     
+ Misses      21185    21163      -22     
- Partials     2046     2048       +2     

Impacted Files	Coverage Δ
pkg/xds/envoy/routes/configurers.go	100.00% <100.00%> (ø)
pkg/xds/envoy/routes/virtual_host_builder.go	84.61% <100.00%> (+0.61%)	⬆️
pkg/kds/client/sink.go	47.72% <0.00%> (-4.55%)	⬇️
pkg/core/resources/manager/cache.go	81.81% <0.00%> (ø)
api/observability/v1/mads.pb.go	35.56% <0.00%> (+1.03%)	⬆️
pkg/dns/vips_allocator.go	75.63% <0.00%> (+1.68%)	⬆️
pkg/insights/resyncer.go	65.81% <0.00%> (+1.70%)	⬆️
pkg/mads/v1/client/client.go	43.75% <0.00%> (+2.50%)	⬆️
pkg/core/bootstrap/autoconfig.go	54.46% <0.00%> (+8.03%)	⬆️
pkg/insights/components.go	100.00% <0.00%> (+30.00%)	⬆️

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