contributing: Update policy repo to fallback to OSTC

Relate-to: oniro#787 (closed) Relate-to: https://git.ostc-eu.org/oss-compliance/ip-policy/-/issues/18 Relate-to: oniro!311 (merged) Signed-off-by: Philippe Coval philippe.coval.ext@huawei.com

contributing/reuse.rst

@@ -45,4 +45,4 @@ Make sure all of your submitted new files have a licensing statement in the head
 Substantial Contributions
 -------------------------
 
-Therefore, if your contribution is only a patch directly applied to an existing file, then you are not required to do anything. If your contribution is an entire new project, or a substantial, copyrighted contribution, you **MUST** make sure that you do that following the `IP Policy <https://booting.oniroproject.org/distro/governance/ip-policy>`_ and that you comply with REUSE standard to include the licensing information where they are required.
+Therefore, if your contribution is only a patch directly applied to an existing file, then you are not required to do anything. If your contribution is an entire new project, or a substantial, copyrighted contribution, you **MUST** make sure that you do that following the `IP Policy <https://git.ostc-eu.org/oss-compliance/ip-policy/>`_ and that you comply with REUSE standard to include the licensing information where they are required.