Merge pull request #63 from python/dependabot/pip/regex-2023.5.5

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ pomerge==0.1.4
 pospell==1.1
 powrap==1.0.1
 Pygments==2.15.1
-regex==2023.3.23
+regex==2023.5.5
 requests==2.29.0
 snowballstemmer==2.2.0
 Sphinx==5.3.0