Add new data source for aws appmesh virtual node

.changelog/27545.txt

@@ -0,0 +1,3 @@
+```release-note:new-data-source
+aws_appmesh_virtual_node
+```

internal/service/appmesh/appmesh_test.go

@@ -86,6 +86,7 @@ func TestAccAppMesh_serial(t *testing.T) {
 			"multiListenerValidation":    testAccVirtualNode_multiListenerValidation,
 			"logging":                    testAccVirtualNode_logging,
 			"tags":                       testAccVirtualNode_tags,
+			"dataSourceBasic":            testAccVirtualNodeDataSource_basic,
 		},
 		"VirtualRouter": {
 			"basic":         testAccVirtualRouter_basic,

internal/service/appmesh/route_data_source_test.go

@@ -233,6 +233,10 @@ resource "aws_appmesh_route" "test" {
       }
     }
   }
+
+  tags = {
+    Name = %[1]q
+  }
 }
 
 data "aws_appmesh_route" "test" {
@@ -334,6 +338,10 @@ resource "aws_appmesh_route" "test" {
       }
     }
   }
+
+  tags = {
+    Name = %[1]q
+  }
 }
 
 data "aws_appmesh_route" "test" {

internal/service/appmesh/virtual_gateway_data_source_test.go

@@ -60,6 +60,10 @@ resource "aws_appmesh_virtual_gateway" "test" {
       }
     }
   }
+
+  tags = {
+    Name = %[2]q
+  }
 }
 
 data "aws_appmesh_virtual_gateway" "test" {