Update NeoPixelBus with DMA fix

Includes bonus fix for ESP32 DMA driver, too!
Replaces wled#5139.

Author: willmmiles

platformio.ini

@@ -138,7 +138,7 @@ lib_compat_mode = strict
 lib_deps =
     fastled/FastLED @ 3.6.0
     IRremoteESP8266 @ 2.8.2
-    makuna/NeoPixelBus @ 2.8.3
+    https://github.com/Makuna/NeoPixelBus.git#a0919d1c10696614625978dd6fb750a1317a14ce
     https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.4.2
   # for I2C interface
     ;Wire