feat: extend certificate pinning to all TLS protocols and add SSH

host-key pinning

internal/protocol/sftp/sftp_test.go

@@ -490,7 +490,7 @@ func TestIsEOF(t *testing.T) {
 
 func TestDialTimeout(t *testing.T) {
 	u, _ := url.Parse("sftp://user@127.0.0.1:1/")
-	_, err := dial(context.Background(), u, "", true)
+	_, err := dial(context.Background(), u, "", true, "")
 	if err == nil {
 		t.Fatal("expected error")
 	}