updated .net to 6.0

.idea/.idea.GameServer/.idea/indexLayout.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ContentModelUserStore">
+  <component name="UserContentModel">
     <attachedFolders />
     <explicitIncludes />
     <explicitExcludes />

.idea/.idea.GameServer/.idea/riderModule.iml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="RIDER_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$/../.." />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

GameServer.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net5.0</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
     </PropertyGroup>
 
 </Project>