chore: Update Smithy to 1.63.0 (#2035)

Author: jbelkins

gradle.properties

@@ -3,7 +3,7 @@ kotlin.code.style=official
 org.gradle.jvmargs=-Xmx4096M
 
 # codegen
-smithyVersion=1.62.0
+smithyVersion=1.63.0
 smithyGradleVersion=0.6.0
 
 smithySwiftVersion = 0.1.0