Bump fast-xml-parser to 4.1.2 (smithy-lang#697)

Author: trivikr

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/TypeScriptDependency.java

@@ -104,7 +104,7 @@ public enum TypeScriptDependency implements SymbolDependencyContainer {
     AWS_SDK_QUERYSTRING_BUILDER("dependencies", "@aws-sdk/querystring-builder", false),
 
     // Conditionally added when XML parser needs to be used.
-    XML_PARSER("dependencies", "fast-xml-parser", "4.0.11", false),
+    XML_PARSER("dependencies", "fast-xml-parser", "4.1.2", false),
     HTML_ENTITIES("dependencies", "entities", "2.2.0", false),
 
     // Conditionally added when streaming blob response payload exists.