Upgrade ESPAsyncWebServer to match version used upstream

Author: netmindz

platformio.ini

@@ -260,7 +260,7 @@ lib_deps =
     ;; https://github.com/softhack007/FastLED.git#ESP32-C6 ;; patched version needed for -C6
     IRremoteESP8266 @ 2.8.2
     ;;makuna/NeoPixelBus @ 2.7.5 ;; WLEDMM will be added in board specific sections
-    https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.2.1  ;; newer with bugfixes and stability improvements
+    https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.4.0
   #For use of the TTGO T-Display ESP32 Module with integrated TFT display uncomment the following line
     #TFT_eSPI
   #For compatible OLED display uncomment following
@@ -338,7 +338,7 @@ lib_deps_compat =
   fastled/FastLED @ 3.6.0
   IRremoteESP8266 @ 2.8.2
   makuna/NeoPixelBus @ 2.7.9
-  https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.2.1
+  https://github.com/Aircoookie/ESPAsyncWebServer.git#v2.4.0
 
 
 [esp32]