Add Query and Status query param fields to OrganizationMembershipListOptions

[sebasslash]

Description

Adds two missing fields supported by our List Organization Memberships API:

• q: A search query string. Organization memberships are searchable by user name and email.
• filter[status]: If specified, restricts results to those with the matching status value. Valid values are invited and active

One thing to note is that we skip one of the query string tests because it depends on being able to assign a username to the user of an organization membership. A test like this requires Account API support, which go-tfe currently does not support. Once supported, we can update the skipped test to be able to dynamically assign usernames and thus make them query-able.

Testing plan

go test -v ./... -run TestOrganizationMembershipsList -tags=integration

External links

• Query params supported by List Organization Memberships endpoint.

[nfagerlund]

LGTM! At first I wasn't sure what you meant about not being able to set username, but I did a couple tests and now I get it — we straight-up can't create users from these tests yet. Ah well!

[github-actions]

Reminder to the contributor that merged this PR: if your changes have added important functionality or fixed a relevant bug, open a follow-up PR to update CHANGELOG.md with a note on your changes.