fix 'could not create data dir' on windows

from rust doc:

If a parent of the given path doesn't exist, this function will return an error. To create a directory and all its missing parents at the same time, use the create_dir_all function.

:<

assigned to @d0p1

requested review from @pokapow

added 2 commits

• 8c4a2cf8 - 1 commit from branch clients/rust:master
• b5bfd1b9 - fix 'could not create data dir' on windows

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approved this merge request

mentioned in commit bbf22eab

merged

@d0p1 changes published in new release: https://git.duniter.org/clients/rust/gcli-v2s/-/releases