testing/roswell: upgrade to 21.06.14.110

Also fixes sysconfdir and sets the musl variant for sbcl

Bug: https://github.com/roswell/roswell/issues/483
8 jobs for !22997 with testing/roswell-21.06.14.110 in 1 minute and 39 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed lint #433193
docker-alpine x86_64

00:00:17

 
  Build
passed build-aarch64 #433198
docker-alpine ci-build aarch64

00:00:50

passed build-armhf #433200
docker-alpine ci-build armhf

00:00:44

passed build-armv7 #433199
docker-alpine ci-build armv7

00:00:44

passed build-ppc64le #433197
docker-alpine ci-build ppc64le

00:00:58

passed build-s390x #433196
docker-alpine ci-build s390x

00:00:45

passed build-x86 #433195
docker-alpine ci-build x86

00:00:22

passed build-x86_64 #433194
docker-alpine ci-build x86_64

00:00:23