Renovate: Upgrade Gitlab Dependencies

• Sync upstream helm chart version with updated dependencies.
• Update synker file in bigbang with gitlab-exporter version.

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• Update Ironbank (registry1.dso.mil/ironbank/bitnami/redis, registry1.dso.mil/ironbank/gitlab/gitlab/gitlab-exporter, registry1.dso.mil/ironbank/gitlab/gitlab/kubectl, registry1.dso.mil/ironbank/opensource/minio/minio)