Merge pull request #15068 from nextcloud/dependabot/pip/master/certifi-2026.5.20

chore(deps): bump certifi from 2026.4.22 to 2026.5.20

Author: skjnldsv

requirements.txt

@@ -1,6 +1,6 @@
 alabaster==1.0.0
 Babel==2.18.0
-certifi==2026.4.22
+certifi==2026.5.20
 charset-normalizer==3.4.7
 docutils==0.21.2
 idna==3.15