use NPB 2.7.9 on -S2 -> reduces led flickering

Author: softhack007

platformio.ini

@@ -415,8 +415,8 @@ build_flags = -g
 
 lib_deps =
   https://github.com/pbolduc/AsyncTCP.git @ 1.2.0
-  makuna/NeoPixelBus @ 2.7.5
-  ;; makuna/NeoPixelBus @ 2.7.9 ;; experimental
+  ;; makuna/NeoPixelBus @ 2.7.5 ;; standard
+  makuna/NeoPixelBus @ 2.7.9 ;; experimental - reduces LED glitches on -S2
   ${env.lib_deps}
 
 [esp32c3]