[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

openlibrary/i18n/messages.pot

@@ -2442,7 +2442,7 @@ msgid "Testing Environment"
 msgstr ""
 
 #: status.html
-msgid "PR number or GitHub PR URL"
+msgid "PR numbers or URLs, space/comma separated"
 msgstr ""
 
 #: status.html