package/spice-protocol: bump to version 0.14.3

- Add link to upstream sha256
- Switch to meson-package
- Update indentation in hash file

https://github.com/freedesktop/spice-protocol/blob/v0.14.3/CHANGELOG.md

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2 files changed