allow use of LibreSSL 🐡

Author: mattieb

CHANGELOG.md

@@ -6,6 +6,8 @@ This is the first real numbered release. All changes here are specifically what
 
 1. Converted login flow to require a login form, as the old username- and password-based login flow was no longer working.
 
+2. Locked in an older version of urllib3 that works with non-OpenSSL libraries like LibreSSL.
+
 ## Prehistory
 
 "1.0.0" was not a real release, but pyproject.toml was numbered 1.0.0 while updatebot was a rolling repository.