Bump Fronter.NET from 25fbdbb to 2fdd35d (#2628)

Bumps
[Fronter.NET](https://github.com/ParadoxGameConverters/Fronter.NET) from
`25fbdbb` to `2fdd35d`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/ParadoxGameConverters/Fronter.NET/commit/2fdd35d489261fe071c51db7548ac397fb359b72"><code>2fdd35d</code></a>
Update dependabot.yml</li>
<li><a
href="https://github.com/ParadoxGameConverters/Fronter.NET/commit/f4b7113b612746d6a00b9205d81dc7e5d7e0fa33"><code>f4b7113</code></a>
Update dependabot.yml</li>
<li><a
href="https://github.com/ParadoxGameConverters/Fronter.NET/commit/0b70cd64d0f2fffd98d6213a7be30474d951b3f1"><code>0b70cd6</code></a>
Update dependabot.yml</li>
<li><a
href="https://github.com/ParadoxGameConverters/Fronter.NET/commit/8fd4226c6dd7008c14ef213a4126ca4f543a7958"><code>8fd4226</code></a>
Lock Avalonia to a version that works with MessageBox.Avalonia.Markdown
(<a
href="https://redirect.github.com/ParadoxGameConverters/Fronter.NET/issues/884">#884</a>)</li>
<li>See full diff in <a
href="https://github.com/ParadoxGameConverters/Fronter.NET/compare/25fbdbb050bc7aca27e0d8aa66b5c21b3d53687f...2fdd35d489261fe071c51db7548ac397fb359b72">compare
view</a></li>
</ul>
</details>
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Author: dependabot[bot]