ci: Run docs job in chroot

See commits for details.

Fixes #2352 (closed)

• TODO: Add new option to https://wiki.postmarketos.org/wiki/Pmbootstrap_CI - will add later once things got approved

pmb/ci/__init__.py

@@ -186,7 +186,7 @@ def run_scripts(topdir, scripts):
 
         if script["artifacts"]:
             logging.info(f"Copy CI artifacts to ./ci-artifacts/{script_name}")
-            path = Chroot.native() / Path("/home/pmos/ci") / script["artifacts"]
+            path = Chroot.native().path / "home/pmos/ci" / script["artifacts"]
             target = topdir / "ci-artifacts" / script_name
             pmb.helpers.run.user(["rm", "-rf", target])
             pmb.helpers.run.user(["mkdir", "-p", target])