Update .gitignore to correctly ignore Packages folder

Author: TabooSun

.gitignore

@@ -461,7 +461,7 @@ PublishScripts/
 # NuGet Symbol Packages
 *.snupkg
 # The packages folder can be ignored because of Package Restore
-#**/[Pp]ackages/*
+**/Packages/*
 # except build/, which is used as an MSBuild target.
 !**/[Pp]ackages/build/
 # Uncomment if necessary however generally it will be regenerated when needed