Ignore current release links during linkcheck

Tag-triggered CI can run linkcheck before RTD has published the same
version's docs, causing self-referencing links to fail.

This ignores the current release links until the next release, which
should be fine.

Author: victorlin

doc/conf.py

@@ -20,6 +20,7 @@
 # -- Project information -----------------------------------------------------
 
 from datetime import date
+from packaging.version import Version
 from nextstrain.cli import __version__ as cli_version
 
 project = 'Nextstrain CLI'
@@ -116,6 +117,10 @@
         # linkcheck job, I guess.  In any case, ENOTIME right now.
         #   -trs, 29 May 2025
         'https://docs.nextstrain.org/projects/cli/en/__NEXT__/',
+
+        # Can't reliably check current release links that might not exist yet
+        # (at least when running linkcheck on the tag-triggered CI run).
+        f'https://docs.nextstrain.org/projects/cli/en/{Version(release).public}/',
     ]),
 ]
 linkcheck_anchors_ignore_for_url = [