Bump Fronter from df19042 to c03fae4 (#342)

Bumps [Fronter](https://github.com/ParadoxGameConverters/Fronter) from `df19042` to `c03fae4`.
- [Release notes](https://github.com/ParadoxGameConverters/Fronter/releases)
- [Commits](ParadoxGameConverters/Fronter@df19042...c03fae4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>