Bump Fronter from 4fff487 to 0b9c56c (#980)

Bumps [Fronter](https://github.com/ParadoxGameConverters/Fronter) from `4fff487` to `0b9c56c`.
- [Release notes](https://github.com/ParadoxGameConverters/Fronter/releases)
- [Commits](ParadoxGameConverters/Fronter@4fff487...0b9c56c)

---
updated-dependencies:
- dependency-name: Fronter
  dependency-type: direct:production
...

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