main: Add 12.3.1 firmware

Seems 12.3 might have the bootloop issue on repaired machines?

Signed-off-by: Hector Martin <[email protected]>

Author: marcan

src/main.py

@@ -74,6 +74,12 @@ class Device:
          "22.1.380.0.0,0",
          True,
          "https://updates.cdn-apple.com/2022FallFCS/fullrestores/012-92188/2C38BCD1-2BFF-4A10-B358-94E8E28BE805/UniversalMac_13.0_22A380_Restore.ipsw"),
+    IPSW("12.3.1",
+         "12.1",
+         "iBoot-7459.101.3",
+         "21.5.258.0.0,0",
+         False,
+         "https://updates.cdn-apple.com/2022SpringFCS/fullrestores/002-79219/851BEDF0-19DB-4040-B765-0F4089D1530D/UniversalMac_12.3.1_21E258_Restore.ipsw"),
     IPSW("12.3",
          "12.1",
          "iBoot-7459.101.2",