Log Message:
Update to 3.6.1

Upstream changes:
Moodle-3.6.1
Regression fix

    MDL-64307 - Previous messaging conversations should be displayed after upgrading

Other fixes

    MDL-64206 - Facebook logo is correctly displayed when using OAuth 2 \ 
authentication
    MDL-63459 - Calculated multichoice question able to answer with negative \ 
note in interactive mode