Git commits in Moodle 3.11.8 by Laurent David

commit cc7ccb6c425be1d12acb74417be7264c9b90a561
Author: Laurent David <lmedavid@gmail.com>
Date:   Tue, 14 Jun 2022 14:53:56 +0800
Tag:    v3.11.8

MDL-74821 mod_feedback: Fix HTML validator error


commit a0727a15d55adb20d513da9927c0b81335c779b4
Author: Laurent David <lmedavid@gmail.com>
Date:   Wed, 18 May 2022 01:01:24 +0800
Tag:    v3.11.8

MDL-72555 block_site_main_menu: Fix activity chooser issue


commit 8af0c977d009150dad4a442d66c7ed2900ff8840
Author: Laurent David <lmedavid@gmail.com>
Date:   Mon, 16 May 2022 13:35:21 +0800
Tag:    v3.11.8

MDL-74473 core_analytics: Upgrade ML Backend to 2.6.6