Bump fast-xml-parser and aws-amplify

Bumps [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) to 5.3.6 and updates ancestor dependency [aws-amplify](https://github.com/aws-amplify/amplify-js). These dependencies need to be updated together.


Updates `fast-xml-parser` from 4.4.1 to 5.3.6
- [Release notes](https://github.com/NaturalIntelligence/fast-xml-parser/releases)
- [Changelog](https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/CHANGELOG.md)
- [Commits](NaturalIntelligence/fast-xml-parser@v4.4.1...v5.3.6)

Updates `aws-amplify` from 6.15.9 to 6.16.2
- [Release notes](https://github.com/aws-amplify/amplify-js/releases)
- [Commits](https://github.com/aws-amplify/amplify-js/compare/aws-amplify@6.15.9...aws-amplify@6.16.2)

---
updated-dependencies:
- dependency-name: fast-xml-parser
  dependency-version: 5.3.6
  dependency-type: indirect
- dependency-name: aws-amplify
  dependency-version: 6.16.2
  dependency-type: direct:production
...

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Author: dependabot[bot]