bootstrap: Cope with case changes in CentOS 8 repo names

RN: Be more flexible with repository names in CentOS 8 test environments

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14594
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(backported from commit 1c59f49a)
46 jobs for martins/v4-13-test in 175 minutes and 33 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Images
passed #914064161
gce docker
centos7

01:16:53

passed #914064160
gce docker
centos8

01:19:31

passed #914064157
gce docker
debian10

01:07:54

passed #914064158
gce docker
fedora31

01:09:31

passed #914064159
gce docker
fedora32

01:10:48

passed #914064162
gce docker
opensuse150

01:25:24

passed #914064163
gce docker
opensuse151

01:26:18

passed #914064154
gce docker
ubuntu1604

00:36:28

passed #914064155
gce docker
ubuntu1804

01:06:27

passed #914064156
gce docker
ubuntu2004

01:11:56

 
  Build
passed #914064196
shared docker
centos7-samba-o3

01:05:42

passed #914064197
shared docker
centos8-samba-o3

01:05:30

passed #914064178
shared docker
ctdb

00:44:17

passed #914064193
shared docker
debian10-samba-o3

01:03:24

passed #914064198
shared docker
fedora31-samba-o3

01:04:44

passed #914064199
shared docker
fedora32-samba-o3

01:07:11

passed #914064194
shared docker
opensuse150-samba-o3

01:07:48

passed #914064195
shared docker
opensuse151-samba-o3

01:08:10

passed #914064164
shared docker
others

00:28:23

passed #914064165
shared docker
samba

00:49:22

passed #914064187
samba-ci-private docker
samba-ad-dc-1

00:43:24

passed #914188054
docker samba-ci-private
samba-ad-dc-1-mitkrb5

00:36:01

passed #914064170
shared docker
samba-ad-dc-2

01:12:57

passed #914064171
shared docker
samba-ad-dc-3

00:47:18

passed #914064172
shared docker
samba-ad-dc-4

01:29:09

passed #914064183
shared docker
samba-ad-dc-4-mitkrb5

01:19:32

passed #914064173
shared docker
samba-ad-dc-5

01:00:07

passed #914064174
shared docker
samba-ad-dc-6

00:47:55

passed #914064185
samba-ci-private docker
samba-ad-dc-backup

00:46:16

passed #914064181
shared docker
samba-ad-dc-ntvfs

01:03:17

passed #914064169
shared docker
samba-admem

00:38:55

passed #914064182
shared docker
samba-admem-mit

00:36:20

passed #914064180
shared docker
samba-ctdb

00:31:07

passed #914064186
samba-ci-private docker
samba-fileserver

00:30:37

passed #914064184
shared docker
samba-fips

00:26:32

passed #914064177
shared docker
samba-fuzz

00:27:59

passed #914064175
shared docker
samba-libs

00:46:56

passed #914064166
shared docker
samba-mitkrb5

00:29:21

passed #914064167
shared docker
samba-nopython

00:41:56

passed #914064168
shared docker
samba-nopython-py2

00:52:42

passed #914064188
samba-ci-private docker
samba-nt4

00:46:11

passed #914064189
samba-ci-private docker
samba-schemaupgrade

00:33:52

passed #914064176
shared docker
samba-static

00:48:44

passed #914064191
shared docker
ubuntu1804-samba-o3

01:00:27

passed #914064192
shared docker
ubuntu2004-samba-o3

01:05:23

failed #914064190
docker samba-ci-private
samba-ad-dc-1-mitkrb5

00:04:43