Merge branch 'bugfix/nimble_dirty_timer_handle_after_deinit' into 'master'

[nimble]: clear timer handle during de-initialization

See merge request espressif/esp-idf!15950

components/bt/host/nimble/nimble

@@ -1 +1 @@
-Subproject commit 3b5bff831cf0653cce9e615be547e4c0f0f2335d
+Subproject commit a4f3ace1e776b2c3edc5421e0c222f2ead94792b