sysdump: don't hardcode custom resource api versions

[michi-covalent]

currently sysdump hardcodes some custom resource api versions in

cilium-cli/sysdump/constants.go

Lines 132 to 215 in f0cf9f0

	var (
	awsENIConfigsGVR = schema.GroupVersionResource{
	Group: "crd.k8s.amazonaws.com",
	Resource: "eniconfigs",
	Version: "v1alpha1",
	}
	awsSecurityGroupPoliciesGVR = schema.GroupVersionResource{
	Group: "vpcresources.k8s.aws",
	Resource: "securitygrouppolicies",
	Version: "v1beta1",
	}
	k8sLeases = schema.GroupVersionResource{
	Group: "coordination.k8s.io",
	Resource: "leases",
	Version: "v1",
	}
	ciliumBugtoolFileNameRegex = regexp.MustCompile("GZIP at (.*)\n")
	gopsRegexp = regexp.MustCompile(`^(?P<pid>\d+).*\*`)
	gopsStats = []string{
	"memstats",
	"stack",
	"stats",
	}
	gopsProfiling = []string{
	"pprof-heap",
	"pprof-cpu",
	}
	gopsTrace = "trace"
	certificate = schema.GroupVersionResource{
	Group: "cert-manager.io",
	Resource: "certificates",
	Version: "v1",
	}
	// Gateway API resource group versions used for sysdumping these
	gatewayClass = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "gatewayclasses",
	Version: "v1",
	}
	gateway = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "gateways",
	Version: "v1",
	}
	referenceGrant = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "referencegrants",
	Version: "v1beta1",
	}
	httpRoute = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "httproutes",
	Version: "v1",
	}
	tlsRoute = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "tlsroutes",
	Version: "v1alpha2",
	}
	tcpRoute = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "tcproutes",
	Version: "v1alpha2",
	}
	udpRoute = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "udproutes",
	Version: "v1alpha2",
	}
	grpcRoute = schema.GroupVersionResource{
	Group: "gateway.networking.k8s.io",
	Resource: "grpcroutes",
	Version: "v1alpha2",
	}
	)

this is not ideal since you need to know which cilium-cli version to use for the sysdump command to correctly capture all the custom resources.

instead, magically detect custom resource versions that are being used in the cluster.