move cpan to known types

Signed-off-by: Nikita Pivkin <nikita.pivkin@smartforce.io>

Author: nikpivkin

packageurl.go

@@ -125,6 +125,7 @@ var (
 		TypeComposer:    {},
 		TypeConan:       {},
 		TypeConda:       {},
+		TypeCpan:        {},
 		TypeCran:        {},
 		TypeDebian:      {},
 		TypeDocker:      {},
@@ -212,7 +213,6 @@ var (
 		TypeChocolatey:  {},
 		TypeClojars:     {},
 		TypeCoreos:      {},
-		TypeCpan:        {},
 		TypeCtan:        {},
 		TypeCrystal:     {},
 		TypeDrupal:      {},