spiffs: update submodule to fix SPIFFS_readdir errno issue

See https://github.com/pellepl/spiffs/pull/288 for the description
of the issue.
Reported in https://github.com/esp-rs/rust/issues/117#issuecomment-1142159661
This commit is contained in:
Ivan Grokhotkov
2022-06-02 18:42:48 +02:00
parent 2905223889
commit d34f061bc1