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: I709de5e454434b8790a68d9e67ca1432387b21ab
746b91335c