validate: add sync-version

Be able by the command line to change the sync version
which is usually the GST_VALIDATE_TESTSUITE_VERSION
from the test suite
35 jobs for !227 with dab_add_sync_version in 32 seconds (queued for 10 seconds)
detached
Status Job ID Name Coverage
  Build Docker
passed #5445057
alpine amd64 manifest builder docker

00:00:12

passed #5445056
android docker

00:00:21

passed #5445055
cerbero fedora amd64 docker

00:00:15

passed #5445054
fedora amd64 docker

00:00:14

passed #5445058
gst-indent amd64 docker

00:00:14

 
  Preparation
passed #5445060
gst indent

00:00:10

manual #5445059
manual
manifest
 
  Build
created #5445069
gstreamer
build cerbero cross-android universal
created #5445073
gst-ios-13.2
build cerbero cross-ios universal
created #5445070
gstreamer
build cerbero cross win32
created #5445071
gstreamer
build cerbero cross win64
created #5445068
gstreamer
build cerbero fedora x86_64
created #5445072
gst-macos-10.15
build cerbero macos x86_64
created #5445074
1809 gstreamer-windows windows docker
build cerbero msvc x86_64
created #5445064
build clang fedora x86_64
created #5445067
1809 windows docker allowed to fail manual
build msys2
created #5445061
build nodebug fedora x86_64
created #5445062
build static fedora x86_64
created #5445063
build static nodebug fedora x86_64
created #5445065
1809 windows docker
build vs2017 amd64
created #5445066
1809 windows docker
build vs2017 x86
 
  Test
created #5445075
gstreamer
check fedora
created #5445076
gstreamer
integration testsuites fedora 1/4
created #5445077
gstreamer
integration testsuites fedora 2/4
created #5445078
gstreamer
integration testsuites fedora 3/4
created #5445079
gstreamer
integration testsuites fedora 4/4
created #5445084
gstreamer
valgrind bad
created #5445081
gstreamer
valgrind base
created #5445080
gstreamer
valgrind core
created #5445085
gstreamer
valgrind ges
created #5445082
gstreamer
valgrind good
created #5445083
gstreamer
valgrind ugly
 
  Integrate
created #5445086
cross-android universal examples
created #5445088
gst-ios-13.2
cross-ios universal examples
created #5445087
documentation