Draft: Update Ironbank Docker tags to v2.3.0

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/grafana/grafana-loki	minor	v2.2.8 -> 2.3.0
registry1.dso.mil/ironbank/opensource/grafana/grafana-loki	minor	2.2.8 -> 2.3.0

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This MR has been generated by Renovate Bot.

added loki renovate labels

mentioned in issue #96 (closed)

closed