Git commits in Moodle 4.0.0 by Daniel Ziegenberg

commit a4d64bd71b54f6734a28b9026a3dac6d34f58ae6
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Fri, 18 Feb 2022 02:54:41 +0800
Tag:    v4.0.0-rc1

MDL-73923 tool_task: make a more relaxed check on cron run interval

commit 13ad25310d69053ceaad840dc33b803679c1487c
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Mon, 17 Jan 2022 04:28:01 +0800
Tag:    v4.0.0-rc1

MDL-73520 adodb: Remove usage of $php_errormsg from DB2 driver

commit f60f6dfadedfb206ea80b53ea60efecfa3b828a8
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Sun, 09 Jan 2022 22:39:49 +0800
Tag:    v4.0.0-rc1

MDL-73520 general: replace deprecated php_errormsg with error_get_last()

commit 371b490a1fd74b10d9f52f583b91e87cde75af09
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Wed, 13 Oct 2021 01:15:43 +0800
Tag:    v4.0.0-beta

MDL-72796 caching: fix retry delay for redis session cache

commit 73a2110269bfad715621bd3ecb59c65cd0a65990
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Wed, 16 Jun 2021 05:05:59 +0800
Tag:    v4.0.0-beta

MDL-69023 mod_lti: remove superfluous css rule

commit f942a5cedd2cea74bc7253b085e83a89503a8bea
Author: Daniel Ziegenberg <daniel@ziegenberg.at>
Date:   Wed, 17 Jun 2020 20:53:44 +0800
Tag:    v4.0.0-rc1

MDL-69078 questions: check for UTF-8 encoding of the import file