Update manifest version

Author: LocalIdentity

manifest.xml

@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <PoBVersion>
-	<Version number="2.55.5" />
+	<Version number="2.56.0" />
 	<Source part="default" url="https://raw.githubusercontent.com/PathOfBuildingCommunity/PathOfBuilding/{branch}/" />
 	<Source part="runtime" platform="win32" url="https://raw.githubusercontent.com/PathOfBuildingCommunity/PathOfBuilding/{branch}/runtime/" />
 	<Source part="program" url="https://raw.githubusercontent.com/PathOfBuildingCommunity/PathOfBuilding/{branch}/src/" />