Revert version number

Author: nseidle

.github/workflows/compile-rtk-everywhere.yml

@@ -6,7 +6,7 @@ on:
 env:
   FILENAME_PREFIX: RTK_Everywhere_Firmware
   FIRMWARE_VERSION_MAJOR: 1
-  FIRMWARE_VERSION_MINOR: 5
+  FIRMWARE_VERSION_MINOR: 4
   POINTPERFECT_LBAND_TOKEN: ${{ secrets.POINTPERFECT_LBAND_TOKEN }}
   POINTPERFECT_IP_TOKEN: ${{ secrets.POINTPERFECT_IP_TOKEN }}
   POINTPERFECT_LBAND_IP_TOKEN: ${{ secrets.POINTPERFECT_LBAND_IP_TOKEN }}