feat(vertexai): Support google_vertex_ai_feature_online_store (#9519) (#6779)

* feat(vertexai): Support google_vertex_ai_feature_online_store

* test: add an acc test to check updatable fields of feature online store

* fix: fix the format to pass yamllint

* feat: update code based on feedback

* feat: update code based on feedback (take 2)

* feat: update code based on feedback (take 3)
[upstream:999fed44c560abe5824117bbe84bccb5c877b92f]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/9519.txt

@@ -0,0 +1,3 @@
+```release-note:new-resource
+`google_vertex_ai_feature_online_store`
+```

google-beta/provider/provider_mmv1_resources.go

@@ -417,9 +417,9 @@ var handwrittenIAMDatasources = map[string]*schema.Resource{
 }
 
 // Resources
-// Generated resources: 409
+// Generated resources: 410
 // Generated IAM resources: 252
-// Total generated resources: 661
+// Total generated resources: 662
 var generatedResources = map[string]*schema.Resource{
 	"google_folder_access_approval_settings":                         accessapproval.ResourceAccessApprovalFolderSettings(),
 	"google_organization_access_approval_settings":                   accessapproval.ResourceAccessApprovalOrganizationSettings(),
@@ -1047,6 +1047,7 @@ var generatedResources = map[string]*schema.Resource{
 	"google_vertex_ai_endpoint_iam_binding":                          tpgiamresource.ResourceIamBinding(vertexai.VertexAIEndpointIamSchema, vertexai.VertexAIEndpointIamUpdaterProducer, vertexai.VertexAIEndpointIdParseFunc),
 	"google_vertex_ai_endpoint_iam_member":                           tpgiamresource.ResourceIamMember(vertexai.VertexAIEndpointIamSchema, vertexai.VertexAIEndpointIamUpdaterProducer, vertexai.VertexAIEndpointIdParseFunc),
 	"google_vertex_ai_endpoint_iam_policy":                           tpgiamresource.ResourceIamPolicy(vertexai.VertexAIEndpointIamSchema, vertexai.VertexAIEndpointIamUpdaterProducer, vertexai.VertexAIEndpointIdParseFunc),
+	"google_vertex_ai_feature_online_store":                          vertexai.ResourceVertexAIFeatureOnlineStore(),
 	"google_vertex_ai_featurestore":                                  vertexai.ResourceVertexAIFeaturestore(),
 	"google_vertex_ai_featurestore_iam_binding":                      tpgiamresource.ResourceIamBinding(vertexai.VertexAIFeaturestoreIamSchema, vertexai.VertexAIFeaturestoreIamUpdaterProducer, vertexai.VertexAIFeaturestoreIdParseFunc),
 	"google_vertex_ai_featurestore_iam_member":                       tpgiamresource.ResourceIamMember(vertexai.VertexAIFeaturestoreIamSchema, vertexai.VertexAIFeaturestoreIamUpdaterProducer, vertexai.VertexAIFeaturestoreIdParseFunc),