feat: submodules

[jmikedupont2]

The purpose of this ticket is to create a branch to support submodules,

the use case is https://github.com/meta-introspector/time
that contains 2023/09/30/act as a submodule which cannot be built.

### Processed [GIT] files
- Using [git_diff v2.30.3] https://megalinter.github.io/v5/descriptors/git_git_diff
- MegaLinter key: [GIT_GIT_DIFF]
- Rules config: identified by [git_diff]
--Error detail:
fatal: not a git repository: /tmp/lint/../../../../../.git/modules/time/modules/2023/09/30/act
❌ Linted [GIT] files with [git_diff]: Found 1 error(s) - (0.01s)
[Text Reporter] Generated TEXT report: /tmp/lint/report/linters_logs/ERROR-GIT_GIT_DIFF.log

[mergify]

Merge Protections

Your pull request matches the following merge protections and will not be merged until they are valid.

🟢 📃 Configuration Change Requirements

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Mergify configuration change

• check-success = Configuration changed