Merge branch 'test/mariadb-connector-c' into '2.12'

Use mariadb-connector-c for RHEL 8+

See merge request !25

https://github.com/Icinga/icinga-packaging/issues/205

(cherry picked from commit a894a068)

7bf92e3d Use mariadb-connector-c for RHEL 8+
98704be6 Try excluding mysql-devel
a6d6aa46 Try setting BuildRequires to Requires
59f9680d Re-add BuildRequires
cc51938b Add script to remove mysql-devel
9bba7fb5 Add a sudo :(
e813ef63 ...and assume yes when removing mysql-devel
2716e965 Remove mysql-devel before the script
d04228d5 Remove remove mysql-devel instruction
14 jobs for cherry-pick-a894a068 in 68 minutes and 9 seconds (queued for 1 minute and 14 seconds)
latest
Status Job ID Name Coverage
  Build
passed build/centos/7 #114113
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00:09:19

passed build/centos/8 #114112
docker

00:12:19

passed build/fedora/33 #114115
docker

00:15:08

passed build/fedora/34 #114114
docker

00:55:00

passed build/opensuse/15.2 #114118
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00:09:22

passed build/sles/12.5 #114117
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00:15:13

passed build/sles/15.2 #114116
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00:09:52

 
  Test
passed test/centos/7 #114120
docker

00:01:24

passed test/centos/8 #114119
docker

00:01:17

passed test/fedora/33 #114122
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00:01:39

passed test/fedora/34 #114121
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00:01:53

passed test/opensuse/15.2 #114125
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00:03:03

passed test/sles/12.5 #114124
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00:02:25

passed test/sles/15.2 #114123
docker

00:03:16