Draft: Clarify the Apertis Policy regarding statically linked packages in target

Add an Apertis Policy regarding Rust (and Go) packages in target.

Because these packages are statically linked, we need to ensure their dependencies fit the Apertis license expectations.

https://phabricator.apertis.org/T8768

Signed-off-by: Dylan Aïssi dylan.aissi@collabora.com