esp32/lib: Bump WiFi revision

diff --git a/components/esp32/lib b/components/esp32/lib
index dcd9c6c6263ea3e3cb31559aaa76e5be9151e397..e793e8ac04cae3a5ca87bbccc46021a93288df05 160000 (submodule)
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit dcd9c6c6263ea3e3cb31559aaa76e5be9151e397
+Subproject commit e793e8ac04cae3a5ca87bbccc46021a93288df05