qt: update QT to support signet network

src/qt/guiconstants.h

@@ -46,6 +46,7 @@ static const int TOOLTIP_WRAP_THRESHOLD = 80;
 #define QAPP_ORG_DOMAIN "bitcoin.org"
 #define QAPP_APP_NAME_DEFAULT "Bitcoin-Qt"
 #define QAPP_APP_NAME_TESTNET "Bitcoin-Qt-testnet"
+#define QAPP_APP_NAME_SIGNET "Bitcoin-Qt-signet"
 #define QAPP_APP_NAME_REGTEST "Bitcoin-Qt-regtest"
 
 /* One gigabyte (GB) in bytes */

src/qt/networkstyle.cpp

@@ -19,7 +19,8 @@ static const struct {
 } network_styles[] = {
     {"main", QAPP_APP_NAME_DEFAULT, 0, 0},
     {"test", QAPP_APP_NAME_TESTNET, 70, 30},
-    {"regtest", QAPP_APP_NAME_REGTEST, 160, 30}
+    {"signet", QAPP_APP_NAME_SIGNET, 35, 15},
+    {"regtest", QAPP_APP_NAME_REGTEST, 160, 30},
 };
 static const unsigned network_styles_count = sizeof(network_styles)/sizeof(*network_styles);