Tinyauth v5.1.1

Small patch fix release, contains fixes for #1011 and #1009.

Fixes

• Abstain when OAuth whitelist is empty in ACLs @wwhsaber
• Don't fail app on label provider initialization failure
• Fix LDAP user lookup in basic-auth @tsushanth

New Contributors

• @wwhsaber made their first contribution in #1010
• @tsushanth made their first contribution in #1015

Full Changelog: v5.1.0...v5.1.1