Update Grafana to 10.2.3

This MR contains the following updates:

Package	Update	Change
registry1.dso.mil/ironbank/big-bang/base	minor	2.0.0 -> 2.1.0
registry1.dso.mil/ironbank/big-bang/grafana/grafana-plugins	minor	10.1.5 -> 10.2.3
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar	patch	1.25.2 -> 1.25.3
registry1.dso.mil/ironbank/opensource/bats/bats	minor	1.9.0 -> v1.10.0

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Upgrade Notices

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