fuse: Update to version 3.16.2

fuse: Update to version 3.16.2

- Update from version 3.15.0 to 3.16.2
- Update of rootfile not required
- Changelog
    3.16.2
	Various small fixes and improvements.
    3.16.1
	Readdir kernel cache can be enabled from high-level API.
    3.15.1
	Future libfuse releases will be signed with `signify`_ rather than PGP
	 (rationale_). This release is the last to be signed with PGP and contains the
	 signify public key for current (3.15.X) and upcoming  (3.16.X) minor release
	 cycle.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Reviewed-by: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>