feat(client-workspaces-thin-client): Update Environment and Device name field definitions

Author: awstools

codegen/sdk-codegen/aws-models/workspaces-thin-client.json

@@ -722,7 +722,10 @@
     "com.amazonaws.workspacesthinclient#DeviceName": {
       "type": "string",
       "traits": {
-        "smithy.api#pattern": "^[0-9\\p{IsAlphabetic}+:,.@'\" -]{1,64}$",
+        "smithy.api#length": {
+          "max": 64
+        },
+        "smithy.api#pattern": "^$|^[0-9\\p{IsAlphabetic}+:,.@'\" -]*$",
         "smithy.api#sensitive": {}
       }
     },
@@ -1019,7 +1022,10 @@
     "com.amazonaws.workspacesthinclient#EnvironmentName": {
       "type": "string",
       "traits": {
-        "smithy.api#pattern": "^[0-9\\p{IsAlphabetic}+:,.@'\" -][0-9\\p{IsAlphabetic}+=:,.@'\" -]{0,63}$",
+        "smithy.api#length": {
+          "max": 64
+        },
+        "smithy.api#pattern": "^$|^[0-9\\p{IsAlphabetic}+:,.@'\" -][0-9\\p{IsAlphabetic}+=:,.@'\" -]*$",
         "smithy.api#sensitive": {}
       }
     },