Git commits in Moodle 4.0.0 by Srdjan

commit 343384d9211d1db0c46ad16183e557a55ce9c39f
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Thu, 17 Feb 2022 14:24:12 +0800
Tag:    v4.0.0-rc1

MDL-73713 dml: test namespaces fix - a noop

commit 8a386d68f6921e2396afd097619a8643244e5d3a
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Thu, 17 Feb 2022 14:13:33 +0800
Tag:    v4.0.0-rc1

MDL-73713 dml: moodle_read_slave_trait table written time adjustment

commit d8baf2957393e60c9aab406710e3cd90ae435556
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Wed, 02 Feb 2022 12:36:52 +0800
Tag:    v4.0.0-rc1

MDL-73713 dml: moodle_read_slave_trait default latency to 1 second

commit ebf19a708556aaa3c1626511510489f9eaf4c875
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Wed, 10 Mar 2021 09:34:31 +0800
Tag:    v4.0.0-beta

MDL-70965 core_dml: read_slave - mock db handles as resources

commit fa0eecd6bfda149b05675415fce846250c42ae91
Author: Srdjan <srdjan@catalyst.net.nz>
Date:   Thu, 06 Aug 2020 12:35:27 +0800
Tag:    v4.0.0-beta

MDL-69451 dml: use same temptables for both rw and ro database handle