Check for REUSE compliance, allowing failure

Following documentation from
https://git.ostc-eu.org/OSTC/infrastructure/pipelines/-/blob/main/reuse.yaml
Add the reuse job which can fail, since this repository is not compliant
with REUSE yet.

Closes: https://git.ostc-eu.org/OSTC/OHOS/meta-ohos/-/issues/24


Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>