Update generated code

manifest.json

@@ -1,6 +1,6 @@
 {
     "variables": {
-        "${LATEST}": "3.356.28"
+        "${LATEST}": "3.356.31"
     },
     "endpoints": "https://raw.githubusercontent.com/aws/aws-sdk-php/${LATEST}/src/data/endpoints.json",
     "services": {

src/Service/CloudFormation/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Changed
+
+- AWS enhancement: Documentation updates.
+
 ## 1.10.0
 
 ### Added

src/Service/CloudFormation/src/ValueObject/Tag.php

@@ -11,16 +11,15 @@
 final class Tag
 {
     /**
-     * *Required*. A string used to identify this tag. You can specify a maximum of 128 characters for a tag key. Tags owned
-     * by Amazon Web Services have the reserved prefix: `aws:`.
+     * A string used to identify this tag. You can specify a maximum of 128 characters for a tag key. Tags owned by Amazon
+     * Web Services have the reserved prefix: `aws:`.
      *
      * @var string
      */
     private $key;
 
     /**
-     * *Required*. A string that contains the value for this tag. You can specify a maximum of 256 characters for a tag
-     * value.
+     * A string that contains the value for this tag. You can specify a maximum of 256 characters for a tag value.
      *
      * @var string
      */