[#28] Replace interface{} with any

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

signature/verify.go

@@ -17,7 +17,7 @@ type signatureProvider interface {
 }
 
 // VerifyServiceMessage verifies service message.
-func VerifyServiceMessage(msg interface{}) error {
+func VerifyServiceMessage(msg any) error {
 	switch v := msg.(type) {
 	case nil:
 		return nil