Integrate gitlab-ci/CI-fix-integrate-into-manifest and 4 more

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Commit: https://gitlab.com/SECO-Northern-Europe/yocto/infrastructure/gitlab-ci/-/commit/3318487d518476135ce978fe3fa3a113ca29295f

CI: integrate_into_manifest: Fix bug introduced when splitting functions

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Commit: https://gitlab.com/SECO-Northern-Europe/yocto/infrastructure/gitlab-ci/-/commit/4c74c580f08a1432d7bd89cf2967abbb7e071bf4

CI: disable 'check' job for gitlab-ci integration as integrate is already disabled

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Commit: https://gitlab.com/SECO-Northern-Europe/yocto/infrastructure/gitlab-ci/-/commit/5d1fb5c4a3613690375c76cb97204eddf9dcd4ac

CI: Enable MR pipeline for integration of gitlab-ci again

Our settings refuse to merge if no pipeline has been run.

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Commit: https://gitlab.com/SECO-Northern-Europe/yocto/infrastructure/gitlab-ci/-/commit/69d604a4fe09fefe779eb1599da7ff29d86c7c0c

CI: Fix merge pipeline

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Commit: https://gitlab.com/SECO-Northern-Europe/yocto/infrastructure/gitlab-ci/-/commit/31d6d7dad54ab322345a6f44b3ff913341500f1c

CI: deploy_gitlab_ci: Rework the deployment of gitlab-ci into the child projects

The deploy_gitlab_ci now creates the integration commit and branch in
each passed subproject and create an integration commit in the manifest
containing all these new revisions.
A build is then triggered on this commit to test the functionality.

Split the update_submodule functions to reuse them in different ways.
Remove some previously used files.

BCS 746-000740

.gitlab-ci @ 3318487d

-Subproject commit 0a7d845ea64bf85363f1ce58229223bb0f9ac0d1
+Subproject commit 3318487d518476135ce978fe3fa3a113ca29295f

.gitlab-ci.yml

@@ -4,5 +4,5 @@
 # ---------------------------------------------------------------------------------------
 include:
   - project: '${CI_PROJECT_ROOT_NAMESPACE}/yocto/infrastructure/gitlab-ci'
-    ref: 0a7d845ea64bf85363f1ce58229223bb0f9ac0d1
+    ref: 3318487d518476135ce978fe3fa3a113ca29295f
     file: 'manifest-integration.yml'