conformance: add support for GRPCRoute

[tao12345666333]

What this PR does / why we need it:

• Changed the default protocol for processing GRPCRoute resources, allowing dynamic settings based on Gateway configuration. (more details: https://github.com/kubernetes-sigs/gateway-api/issues/2964 )
• pass the GWAPI conformance test.

Which issue this PR fixes:

fixes: https://github.com/Kong/kubernetes-ingress-controller/issues/5705

Special notes for your reviewer:

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• [x] the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR

[tao12345666333]

  --- FAIL: TestGatewayConformance/GRPCExactMethodMatching (0.07s)
        --- PASS: TestGatewayConformance/GRPCExactMethodMatching/2_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/EchoThree'_should_receive_a_Unimplemented_(12) (0.01s)
        --- FAIL: TestGatewayConformance/GRPCExactMethodMatching/0_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v1 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCExactMethodMatching/1_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/EchoTwo'_should_go_to_grpc-infra-backend-v2 (30.00s)
    --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching (0.06s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/1_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Version:two}'_should_go_to_grpc-infra-backend-v2 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/7_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:green}'_should_go_to_grpc-infra-backend-v1 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/8_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:red}'_should_go_to_grpc-infra-backend-v2 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/9_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:yellow}'_should_go_to_grpc-infra-backend-v2 (30.00s)
        --- PASS: TestGatewayConformance/GRPCRouteHeaderMatching/10_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:purple}'_should_receive_a_Unimplemented_(12) (0.01s)
        --- PASS: TestGatewayConformance/GRPCRouteHeaderMatching/4_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:orange}'_should_receive_a_Unimplemented_(12) (0.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/6_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:blue}'_should_go_to_grpc-infra-backend-v1 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/3_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:blue,Version:two}'_should_go_to_grpc-infra-backend-v2 (30.00s)
        --- PASS: TestGatewayConformance/GRPCRouteHeaderMatching/5_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Some-Other-Header:one}'_should_receive_a_Unimplemented_(12) (0.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/2_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Color:orange,Version:two}'_should_go_to_grpc-infra-backend-v1 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteHeaderMatching/0_request_to_'/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_with_headers_'{Version:one}'_should_go_to_grpc-infra-backend-v1 (30.00s)
    --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching (1.29s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/1_request_to_'foo.bar.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v2 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/3_request_to_'boo.bar.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v3 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/7_request_to_'no.matching.host/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_receive_a_Unimplemented_(12) (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/5_request_to_'multiple.prefixes.foo.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v3 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/6_request_to_'foo.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_receive_a_Unimplemented_(12) (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/4_request_to_'multiple.prefixes.bar.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v3 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/0_request_to_'bar.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v1 (30.00s)
        --- FAIL: TestGatewayConformance/GRPCRouteListenerHostnameMatching/2_request_to_'baz.bar.com/gateway_api_conformance.echo_basic.grpcecho.GrpcEcho/Echo'_should_go_to_grpc-infra-backend-v3 (30.00s)

most of these tests have failed.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

@@          Coverage Diff           @@
##             main   #5776   +/-   ##
======================================
  Coverage        ?   74.0%           
======================================
  Files           ?     176           
  Lines           ?   18185           
  Branches        ?       0           
======================================
  Hits            ?   13462           
  Misses          ?    3726           
  Partials        ?     997           

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[tao12345666333]

Blocked by #5918