Revise Github Projects managed by Che teams

[mkuznyetsov]

Is your task related to a problem? Please describe

Some of our projects, especially on Che Incubator side, have inconsistent and/or outdated configurations, like permissions to push branches or merge PRs. Ideally, all projects should have the same configuration, when it comes to those things. Codeowners, who would approve these PRs. Updating all these things would help in future, when someone would have to push to those projects

Describe the solution you'd like

• ensure that list https://github.com/eclipse/che/blob/main/.repositories.yaml is up to date.
• all eclipse-che/che-incubator repos must have the same configuration:
• main branch protected from direct pushes,
• all che org members must have permissions to push branches to the upstream repo,
• all che org members should be able to merge PRs with at least 1 approved review,
• merge commits not allowed, to keep the git history linear.
• every eclipse-che/che-incubator repo should have updated CODEOWNERS file(exact list with repos/owners is TBD).

Describe alternatives you've considered

No response

Additional context

No response