Fix: Collect Relevant CRD objects based on versions for NGF

gateway.nginx.org/v1alpha1 is supported by these resource types:
* ClientSettingsPolicy
* NginxGateway
* ObservabilityPolicy
* SnippetsFilter
* UpstreamSettingsPolicy
gateway.nginx.org/v1alpha2 is supported by these resource types:
* NginxProxy
* ObservabilityPolicy

Author: mrajagopal

pkg/crds/crd.go

@@ -98,15 +98,30 @@ func GetNGFCRDList() []Crd {
 			Version:  "v1alpha1",
 		},
 		{
-			Resource: "nginxproxies",
+			Resource: "observabilitypolicies",
 			Group:    "gateway.nginx.org",
 			Version:  "v1alpha1",
 		},
 		{
-			Resource: "observabilitypolicies",
+			Resource: "snippetsfilters",
+			Group:    "gateway.nginx.org",
+			Version:  "v1alpha1",
+		},
+		{
+			Resource: "upstreamsettingspolicies",
 			Group:    "gateway.nginx.org",
 			Version:  "v1alpha1",
 		},
+		{
+			Resource: "nginxproxies",
+			Group:    "gateway.nginx.org",
+			Version:  "v1alpha2",
+		},
+		{
+			Resource: "observabilitypolicies",
+			Group:    "gateway.nginx.org",
+			Version:  "v1alpha2",
+		},
 	}
 	return crdList
 }