Add ECA validation support for Interest Groups

The PMI will provide a public API endpoint for interest groups. Gitlab is the only platform that we will support for Interest groups. The API will share the GL namespace of the IG.

We must make sure that our validation service is enabled for IG.

added to epic eclipsefdn&17 (closed)

assigned to @malowe

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Additionally, we will be rolling out a new version of the ECA and MCCA. The ECA will need to ensure that the users contributing to these repos are covered by the latest version of these documents.

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What's the goal of the ECA validation wrt IGs? Is the goal to have a minimum version of ECA to contribute, or something else?

We need to enforce the ECA as we do with projects. All authors must have an ECA on file.

mentioned in merge request !89 (merged)

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mentioned in commit dace85a5