libunwind: update to version 1.8.3
Release notes:
https://github.com/libunwind/libunwind/releases/tag/v1.8.2
https://github.com/libunwind/libunwind/releases/tag/v1.8.3
Signed-off-by: Josef Schlehofer <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20193
Signed-off-by: Hauke Mehrtens <[email protected]>