package/nettle: bump version to 3.6

Release notes:
https://git.lysator.liu.se/nettle/nettle/-/blob/master/NEWS

Reformatted hashes.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 01632805ab4be2bea4010ba1e46ab71f52d175a9)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2 files changed