chore(deps): update dependency mutagen.bethesda to v0.39.3

Author: renovate[bot]

UniquePlayer/UniquePlayer.csproj

@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Mutagen.Bethesda" Version="0.36.3" />
+    <PackageReference Include="Mutagen.Bethesda" Version="0.39.3" />
     <PackageReference Include="Mutagen.Bethesda.Synthesis" Version="0.22.1" />
     <PackageReference Include="Mutagen.Bethesda.FormKeys.SkyrimSE" Version="2.1.0" />
   </ItemGroup>