List Job groups
Returns every Job group valid for the jobGroupName field on RequirementCreateRequest/
RequirementUpdateRequest, scoped to the authenticated user’s company and sorted the same way the
application UI presents them (sort order, then name).
jobGroupName is matched case-insensitively against the name returned here.
Authentication
AuthorizationBearer
BrightMove OAuth2 client_credentials - use the client_id/client_secret from User > API Keys (or an admin-managed client).
Response
Job groups returned