Bump xml2js and parse-bmfont-xml (#459)

Bumps [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) and [parse-bmfont-xml](https://github.com/mattdesl/parse-bmfont-xml). These dependencies needed to be updated together.

Updates `xml2js` from 0.4.23 to 0.5.0
- [Commits](https://github.com/Leonidas-from-XIV/node-xml2js/commits/0.5.0)

Updates `parse-bmfont-xml` from 1.1.4 to 1.1.6
- [Commits](mattdesl/parse-bmfont-xml@v1.1.4...v1.1.6)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: indirect
- dependency-name: parse-bmfont-xml
  dependency-type: indirect
...

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