Trigger Azure Group Sync from SAML overage claim
Parse Azure overage claims from SAML response and, when present, trigger Azure Group Sync worker.
Related to https://gitlab.com/gitlab-org/gitlab/-/issues/414873
See https://learn.microsoft.com/en-us/security/zero-trust/develop/configure-tokens-group-claims-app-roles#group-overages for Microsoft documentation.
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