Change catch2 version to 2.13.4

thirdparty/catch2.lua

@@ -0,0 +1,24 @@
+catch2 = {}
+
+function catch2:include()
+	if References:include(self:name()) then
+		includedirs {
+			path.join(ThirdPartyFolder(), "catch2", "single_include")
+		}
+	end
+end
+
+function catch2:link()
+end
+
+function catch2:use()
+	
+end
+
+function catch2:name()
+    return "catch2"
+end
+
+function catch2:project()
+	References:reset()
+end