Update Scimitar RGB firmware to 2.04.

Closes mattanger#246

FIRMWARE

@@ -24,17 +24,17 @@ Hash: SHA256
   Corsair STRAFERGB         2.05    https://www3.corsair.com/software/HID/STRAFERGB.zip        0.2.7   STRAFERGB_APP_V205.bin          dff16fec9a0ae0d33aad0482f9ea02e3e55e231706b8c4e7fb66820aba98adc5
   Corsair M65RGB            2.04    https://www3.corsair.com/software/HID/M65RGB.zip           0.2.7   M65RGB_App_v204.bin             e1f09ce462f77071f91d92951410c14fb18061dd9760b3de89e45d1ca8b6b46c
   Corsair M65PRORGB         2.06    https://www3.corsair.com/software/HID/M65PRORGB.zip        0.2.7   M65PRORGB_APP_V206.bin          7eb9d98c0cb2f36b64d6935e47642481f5d79b2d7806eb09da3acacc4276a111
-  Corsair SCIMITARRGB       2.03    https://www3.corsair.com/software/HID/Scimitar.zip         0.2.7   Scimitar_App_v203.bin           59194c3ae8a6ae0a801f7b6cf528ad292ae996923699cf063c7deed38fb326aa
+  Corsair SCIMITARRGB       2.04    https://www3.corsair.com/software/HID/Scimitar.zip         0.2.7   SCIMITAR_APP_V204.bin           c17dcf20748c423e7c1116c081f88f5945d703126c813153d3407e61c65007fe
 
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