build: bump Lib.Harmony from 2.3.0 to 2.3.1.1

Bumps [Lib.Harmony](https://github.com/pardeike/Harmony) from 2.3.0 to 2.3.1.1.
- [Release notes](https://github.com/pardeike/Harmony/releases)
- [Commits](pardeike/Harmony@v2.3.0.0...v2.3.1.1)

---
updated-dependencies:
- dependency-name: Lib.Harmony
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

LevelUp.csproj

@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Krafs.Rimworld.Ref" Version="1.4.3901" />
-    <PackageReference Include="Lib.Harmony" Version="2.3.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Lib.Harmony" Version="2.3.1.1" ExcludeAssets="runtime" />
   </ItemGroup>
 
   <Target Name="CopyModItemsToModOutput" AfterTargets="Build">