Pull in new AsyncTCP for IPv6 on BK72xx

Needs the IPADDR6_INIT fix from esphome/AsyncTCP#14

esphome/components/async_tcp/__init__.py

@@ -1,13 +1,13 @@
 # Dummy integration to allow relying on AsyncTCP
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.core import CORE, coroutine_with_priority
 from esphome.const import (
+    PLATFORM_BK72XX,
     PLATFORM_ESP32,
     PLATFORM_ESP8266,
-    PLATFORM_BK72XX,
     PLATFORM_RTL87XX,
 )
+from esphome.core import CORE, coroutine_with_priority
 
 CODEOWNERS = ["@OttoWinter"]
 
@@ -22,7 +22,7 @@
 async def to_code(config):
     if CORE.is_esp32 or CORE.is_libretiny:
         # https://github.com/esphome/AsyncTCP/blob/master/library.json
-        cg.add_library("esphome/AsyncTCP-esphome", "2.1.3")
+        cg.add_library("esphome/AsyncTCP-esphome", "2.1.4")
     elif CORE.is_esp8266:
         # https://github.com/esphome/ESPAsyncTCP
         cg.add_library("esphome/ESPAsyncTCP-esphome", "2.0.0")