Merge branch 'bugfix/beacon_ie_error_when_set_to_bgn_mode_v3.4' into 'release/v3.4'

fix(lib): fix beacon ie error when set to bgn mode (backport v3.4)

See merge request sdk/ESP8266_RTOS_SDK!1611

Author: donghengqaz

components/esp8266/lib/VERSION

@@ -1,6 +1,6 @@
 gwen:
     core:       cebfb0e
-    net80211:   8114f9c
+    net80211:   9aeb2d7
     pp:         5fda74f
     espnow:     7a93d71