Chore: Update CLM jobs to run only on master

As requested in the TSC (Sep29), all CLM jobs should
only be executed on the master branch.
More in IT-24622

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: If33ed94f7a4a71d79d4a226ef0e973e886955cfb
50 files changed