Update API Clients to Latest Models (#1259)

* Add Customization for REST-JSON Content-Type Customization
* update models
* Regenerated API Clients

Author: skmcgrail

.changelog/41575353444b40ffbf474f4155544f00.json

@@ -0,0 +1,11 @@
+{
+    "id": "41575353-444b-40ff-bf47-4f4155544f00",
+    "type": "release",
+    "description": "New AWS service client module",
+    "modules": [
+        "service/commander",
+        "service/finspace",
+        "service/finspacedata",
+        "service/ssmcontacts"
+    ]
+}

.changelog/49daf64e599c4e4f810e21ed07de2f05.json

@@ -0,0 +1,29 @@
+{
+    "id": "49daf64e-599c-4e4f-810e-21ed07de2f05",
+    "type": "feature",
+    "description": "Updated to latest service API model.",
+    "modules": [
+        "service/codeartifact",
+        "service/commander",
+        "service/configservice",
+        "service/connect",
+        "service/ec2",
+        "service/ecs",
+        "service/eks",
+        "service/finspace",
+        "service/finspacedata",
+        "service/iot",
+        "service/iotwireless",
+        "service/kinesis",
+        "service/kinesisanalytics",
+        "service/kinesisanalyticsv2",
+        "service/lakeformation",
+        "service/lookoutmetrics",
+        "service/mediaconvert",
+        "service/route53",
+        "service/s3",
+        "service/s3control",
+        "service/ssm",
+        "service/ssmcontacts"
+    ]
+}