This is breaking builds, and fetching from main npm repository is working
fine...

Signed-off-by: Esben Haabendal <esben.haabendal@huawei.com>

Although not covered by the official OpenHarmony documentation, the ruby
interpreter and cpio tool is used during build.

Signed-off-by: Esben Haabendal <esben.haabendal@huawei.com>

Fetch OpenHarmony OS codebase release tarballs and test
oniro-openharmony-toolchain and oniro-openharmony-bundle against these.

In order to save CI resources, only MR pipelines run these new jobs
automatically.  For normal branch pipelines, the job are set to manual, so
developer can choose to run them as needed.

Signed-off-by: Esben Haabendal <esben.haabendal@huawei.com>