Don't capitalize stuff that should be lowercase

Author: jan-bures

src/PatchManager/Directory.Build.targets

@@ -31,7 +31,7 @@
 
         <!-- Copying libaries to build directory -->
         <Message Text="Copying plugin dependencies to build directory"/>
-        <Copy SourceFiles="$(NuGetPackageRoot)/Antlr4.Runtime.Standard/4.13.0/lib/netstandard2.0/Antlr4.Runtime.Standard.dll"
+        <Copy SourceFiles="$(NuGetPackageRoot)/antlr4.runtime.standard/4.13.0/lib/netstandard2.0/Antlr4.Runtime.Standard.dll"
               DestinationFolder="$(SolutionDir)/dist/$(ConfigurationName)/BepInEx/plugins/$(ProjectName)/lib"/>
 
         <!-- Copying compiled plugin to build directory -->