Merge branch 'bugfix/wifi_prov_mgr_crash' into 'master'

NimBLE: Fixed wifi_prov_mgr crash after provisioning

See merge request espressif/esp-idf!15793

components/bt/host/nimble/nimble

@@ -1 +1 @@
-Subproject commit 957ea59591394ae3d438ef2140e9f6f620fcfdae
+Subproject commit 3b5bff831cf0653cce9e615be547e4c0f0f2335d