Merge topic 'linux-release-builders'

922cd3affe ci: fix the project detection for CDash submissions
c5b072800d gitlab-ci: add jobs for reproducing the release binaries
45f2786ff7 Release/linux: remove explicit LANG setting
c540fcaa6b Sphinx/create_identifiers: handle qhp contents as utf-8
e237fc65b7 Sphinx/create_identifiers: use `not in` not `not _ in`
0aa061f6f8 Sphinx/create_identifiers: remove unused import

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4852