This is a maintenance release with the following fixes:
- [fix] [important!] Fix a security bug in WebDAV
- [fix] Fix S3 backend with V4 protocal and path_style_request
- [fix] Use user’s name in reset password email instead of internal ID
- [fix] Fix invited guest cannot be revoke
- [fix] Fix keyerror when using backup code in two-factor auth
- [fix] Do not print warning in seaf-server.log when a LDAP user login