Release 1.14.0

Release 1.13.0

Release sftpfs 1.14.0

Release gcsfs 1.14.0

Release 1.12.0

github: Bump GitHub actions versions

Fix rename mem fs with descendants

Fixes  spf13#141

Fix failing tests on Windows with Go 1.20

all: Run gofumpt -l -w .

Fix concurrency issue in MemMapFs.Mkdir/MkdirAll

* The backing map is protected by a RWMutex
* This commit double checks for the existence of the directory inside the write lock to avoid potential data races when multiple goroutines tries to create
the same directory.

Fixes spf13#361
Fixes spf13#298