Git commits in Moodle 3.9.9 by David Mudrák

commit 72eac30148bed15992537d5bf4a30f0c05acf16a
Author: David Mudrák <david@moodle.com>
Date:   Fri, 23 Jul 2021 07:04:06 +0800
Tag:    v3.9.9

MDL-72203 curl: Remove duplicate unit tests for emulated redirects


commit e19f451723d91ad38c9d3e43b3a13ee541991d88
Author: David Mudrák <david@moodle.com>
Date:   Fri, 23 Jul 2021 05:28:23 +0800
Tag:    v3.9.9

MDL-72203 curl: Check each URL in redirect chain to see if it is blocked


commit db0073291b0329bf77ddf906d7552fdd7e66debb
Author: David Mudrák <david@moodle.com>
Date:   Fri, 23 Jul 2021 05:20:14 +0800
Tag:    v3.9.9

MDL-72203 curl: Warn if someone actually started to use $maxredirects


commit 984e3fc51049724025a407825d3620191528fb72
Author: David Mudrák <david@moodle.com>
Date:   Fri, 23 Jul 2021 05:10:11 +0800
Tag:    v3.9.9

MDL-72203 curl: Revert original fix of redirects to blocked URLs