With Sphinx==4.4.0 some "helpful" warnings were introduced when an
external link could be replaced by a macro, like for :lpbug:. Sadly we
have a very high number of existing release notes that trigger these
warnings and no good way to fix them retrospectively, because would mess
up their mapping to releases. So we change the logging for the
sphinx.ext.extlinks to ignore these warnings for now.
Signed-off-by: Dr. Jens Harbott <harbott@osism.tech>
Change-Id: Id646d77afc6817921e29eeab3bee75c50021c50b
d993b52b30