Update dependency fast-xml-parser to v5.3.9 (#1593)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/mg-wp-xml/package.json

@@ -25,7 +25,7 @@
     "@tryghost/mg-utils": "0.0.1",
     "@tryghost/mg-wp-api": "0.11.20",
     "fast-glob": "3.3.3",
-    "fast-xml-parser": "5.3.8",
+    "fast-xml-parser": "5.3.9",
     "markdown-it": "14.1.1",
     "php-serialize": "5.1.3"
   }

yarn.lock

@@ -6065,10 +6065,10 @@ fast-wrap-ansi@^0.2.0:
   dependencies:
     fast-string-width "^3.0.2"
 
-fast-xml-parser@5.3.8:
-  version "5.3.8"
-  resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-5.3.8.tgz#b5bc2045620d1b9cf342a2aa4d72391ef0b36a9e"
-  integrity sha512-53jIF4N6u/pxvaL1eb/hEZts/cFLWZ92eCfLrNyCI0k38lettCG/Bs40W9pPwoPXyHQlKu2OUbQtiEIZK/J6Vw==
+fast-xml-parser@5.3.9:
+  version "5.3.9"
+  resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-5.3.9.tgz#8777df0e215845534b023b2830e75d0068a9fbcf"
+  integrity sha512-zU0KUuO9U+fLGduTDdxQ6qsQLIxRg4EK5AMduwBNGNCSfCGRSbNS7OpH343NFQlLDg1jxoH68JSbOPAGksIGvg==
   dependencies:
     strnum "^2.1.2"