potential updates and patches

[softhack007]

This is a list of bugfixes + enhancement that could be useful.

• fix: default log level was set to max joltwallet/esp_littlefs#113

• (already merged?) Add mutex to utime for thread safety. joltwallet/esp_littlefs#94

• Fix O_APPEND not working with other flags joltwallet/esp_littlefs#156

• littlefs-project/littlefs@749a456

• littlefs-project/littlefs@6352185

• littlefs-project/littlefs@7873d81

• (maybe) Add version macro to header, update readme version, initial .bumpversion.cfg joltwallet/esp_littlefs#100

• (maybe) Fix LITTLEFS_USE_ONLY_HASH=y with recent esp-idf joltwallet/esp_littlefs#112

• (maybe) Add support for LFS_MULTIVERSION. joltwallet/esp_littlefs#137

• (maybe) Fixed LITTLEFSimpl::exists() error: Fix lorol/LITTLEFS#43 lorol/LITTLEFS#56

• (read) thread safe littlefs joltwallet/esp_littlefs#177

• (read) How to migrate from v1.x to 2.x? littlefs-project/littlefs#324