Bump Fody from 6.8.1 to 6.9.1

Bumps [Fody](https://github.com/Fody/Fody) from 6.8.1 to 6.9.1.
- [Release notes](https://github.com/Fody/Fody/releases)
- [Commits](Fody/Fody@6.8.1...6.9.1)

---
updated-dependencies:
- dependency-name: Fody
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

UndertaleModLib/UndertaleModLib.csproj

@@ -25,7 +25,7 @@
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Fody" Version="6.8.1">
+    <PackageReference Include="Fody" Version="6.9.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

UndertaleModTool/UndertaleModTool.csproj

@@ -60,7 +60,7 @@
         <PackageReference Include="AvalonEdit">
             <Version>6.3.0.90</Version>
         </PackageReference>
-        <PackageReference Include="Fody" Version="6.8.1">
+        <PackageReference Include="Fody" Version="6.9.1">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>