Update the default version to 6.3.0

8 jobs for release
latest
Status Job ID Name Coverage
  External
passed cdash-aeva-commit

passed cdash-public-commit

failed cmb@release-moho-linux-shared-relwithdebinfo+superbuild

01:09:14

failed cmb@release-praxis-windows-shared-release+superbuild

00:00:13

failed smtk@release-moho-linux-shared-relwithdebinfo+superbuild

01:15:09

pending smtk@release-praxis-windows-shared-release+superbuild
passed cdash-aeva-commit

passed cdash-public-commit