tools:discoverer: Add an option to print the cache directory

8 jobs for discoverer+caching in 36 minutes and 20 seconds (queued for 37 minutes and 37 seconds)
Status Job ID Name Coverage
  Preparation
passed #159555
gst indent

00:01:03

passed #159554
manifest

00:00:39

 
  Build
passed #159556
build fedora x86_64

00:05:18

 
  Test
passed #159557
check fedora

00:03:57

 
  Full Builds
passed #159558
build android arm64 api28

00:05:10

passed #159560
build cerbero cross win32

00:07:42

passed #159561
build cerbero cross win64

00:06:30

passed #159559
build cerbero fedora x86_64

00:05:56