Migrate to ESM and upgrade dependencies (#1574)

* Migrate to ESM

* updated package.json version

* Update README for v6 and clean up dev dependencies

* Remove unused ts-node

* fix audit issue

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Co-authored-by: gowridurgad <gowridurgad@gmail.com>

.licenses/npm/fast-xml-parser.dep.yml

@@ -1,9 +1,9 @@
 ---
 name: fast-xml-parser
-version: 5.9.2
+version: 5.7.2
 type: npm
 summary: Validate XML, Parse XML, Build XML without C/C++ based libraries
-homepage: 
+homepage:
 license: mit
 licenses:
 - sources: LICENSE