Show project members in the project information page

[ciyer]

Show the names of the members in the project information page.

Testing

Check the following:

• Project members are shown if you have access to the project
• At most 5 project members are shown
• No project members are shown if the user is not logged in

/deploy renku=release-0.52.x

[RenkuBot]

You can access the deployment of this PR at https://renku-ci-ui-3143.dev.renku.ch

[RenkuBot]

Tearing down the temporary RenkuLab deplyoment for this PR.