(dependabot): Bump TJC.Collection.Core from 0.29.0 to 0.31.1 (#117)

---
updated-dependencies:
- dependency-name: TJC.Collection.Core
  dependency-version: 0.31.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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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 @@
   </ItemGroup>
   <!-- DEPENDENCIES -->
   <ItemGroup>
-    <PackageReference Include="TJC.Collection.Core" Version="0.29.0" />
+    <PackageReference Include="TJC.Collection.Core" Version="0.31.1" />
     <PackageReference Include="TJC.GUI" Version="0.11.7" />
   </ItemGroup>
   <!-- TASKS -->