fix typo

Based on the other error strings found in the file, I believe this is the correct string. `s/Opps/Oops`

static/i18n/en/app.json

@@ -851,7 +851,7 @@
       "description": "{{message}}"
     },
     "UnexpectedBootloader": {
-      "title": "Opps, your device should not be in Bootloader mode",
+      "title": "Oops, your device should not be in Bootloader mode",
       "description": "Please restart your device or contact us"
     },
     "UserRefusedFirmwareUpdate": {
@@ -904,4 +904,4 @@
       "title": "Couldn’t load fee rates, please set manual fees"
     }
   }
-}
+}