change projectIdOrPath as Object type

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Co-authored-by: jason <jason.irwin@idoxgroup.com>

Co-authored-by: Matteo Marras <matteo.marras@ti8m.ch>

Co-authored-by: Vladimir Krumov <vladimir.krumov@paysafe.com>

Add SIMILARITY to GroupOrderBy enum

`GET /groups?order_by=similarity` is supported but not available in the
high level API
https://gitlab.com/gitlab-org/gitlab/-/issues/332889

make sure system-stubs-jupiter is marked for test scope

Fix NullPointer on invalid settings

Settings having only a single Type caused a NullPointer when
printing the allowed types.

Improves #818

Enable build on GitHub Actions

Migrate from JUnit 4 to JUnit 5

Adding getContributors sort by asc / desc support

Fix #810 : Change all model Ids to Long

Update Deployment API 

Implement keys api

Actually fetch all the memberships with UserAPI.getMemberships() and …

Fixed de-serialization of MembershipSourceType by letting the Jackson…

Fixed de-serialization of MembershipSourceType by letting the JacksonJsonEnumHelper know that the first letter should be capitalized