systemd/kres-cache-gc: use correct cache directory

In 5.0.0, the cache directory has been moved and the previous path is
incorrect.

Fixes #543
12 jobs for systemd-kres-cache-gc-location in 186 minutes and 17 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #351139
amd64 linux docker
archive

00:01:01

 
  Deploy
passed #351140
respdiff
obs:trigger

00:00:15

 
  Deploy Test
failed #351141
respdiff allowed to fail delayed
obs:build:all

03:05:00

passed #351142
respdiff delayed
obs:centos7:x86_64

02:54:25

failed #351144
respdiff delayed
obs:debian10:x86_64

03:05:00

failed #351143
respdiff delayed
obs:debian9:x86_64

03:05:00

passed #351145
respdiff delayed
obs:fedora30:x86_64

02:57:53

failed #351146
respdiff delayed
obs:fedora31:x86_64

03:05:00

passed #351147
respdiff delayed
obs:leap15:x86_64

02:48:43

passed #351148
respdiff delayed
obs:ubuntu1604:x86_64

02:57:17

passed #351149
respdiff delayed
obs:ubuntu1804:x86_64

02:57:41

passed #351150
respdiff delayed
obs:ubuntu1910:x86_64

02:46:48

 
Name Stage Failure
failed
obs:fedora31:x86_64 Deploy Test The script exceeded the maximum execution time set for the job
Fedora_31            x86_64     scheduled

Fedora_31 x86_64 building

Fedora_31 x86_64 finished

Fedora_31 x86_64 succeeded*
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 3h0m0s seconds
failed
obs:debian10:x86_64 Deploy Test The script exceeded the maximum execution time set for the job
Debian_10            x86_64     scheduled

Debian_10 x86_64 building

Debian_10 x86_64 finished

Debian_10 x86_64 succeeded*
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 3h0m0s seconds
failed
obs:debian9:x86_64 Deploy Test The script exceeded the maximum execution time set for the job
Debian_9.0           x86_64     succeeded*

Debian_9.0 x86_64 scheduled

Debian_9.0 x86_64 finished

Debian_9.0 x86_64 succeeded*
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 3h0m0s seconds
failed
obs:build:all Deploy Test The script exceeded the maximum execution time set for the job
Debian_9.0           aarch64    succeeded
Debian_9.0 armv7l succeeded
Debian_10 x86_64 succeeded
Debian_10 aarch64 succeeded
Debian_10 armv7l succeeded
CentOS_7_EPEL x86_64 succeeded
Arch x86_64 blocked
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 3h0m0s seconds