(dependabot): Bump TJC.GUI from 0.8.3 to 0.8.4 (#55)

Bumps [TJC.GUI](https://github.com/TJC-Tools/TJC.GUI) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/TJC-Tools/TJC.GUI/releases)
- [Changelog](https://github.com/TJC-Tools/TJC.GUI/blob/main/CHANGELOG.md)
- [Commits](TJC-Tools/TJC.GUI@v0.8.3...v0.8.4)

---
updated-dependencies:
- dependency-name: TJC.GUI
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

TJC.Collection.GUI/TJC.Collection.GUI.csproj

@@ -34,7 +34,7 @@
   <!-- DEPENDENCIES -->
   <ItemGroup>
     <PackageReference Include="TJC.Collection.Core" Version="0.5.5" />
-    <PackageReference Include="TJC.GUI" Version="0.8.3" />
+    <PackageReference Include="TJC.GUI" Version="0.8.4" />
   </ItemGroup>
   <!-- TASKS -->
   <UsingTask TaskName="ReadFileContent" TaskFactory="RoslynCodeTaskFactory" AssemblyName="Microsoft.Build.Tasks.Core">