Update Loki to 5.47.2

This MR contains the following updates:

Package	Update	Change
docker.io/grafana/loki-canary	patch	2.9.4 -> 2.9.6
ironbank/opensource/grafana/loki	patch	2.9.4 -> 2.9.6
minio-instance	patch	5.0.11-bb.3 -> 5.0.12-bb.6
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar	minor	1.25.3 -> 1.26.1
registry1.dso.mil/ironbank/opensource/grafana/loki	patch	2.9.4 -> 2.9.6
registry1.dso.mil/ironbank/opensource/kubernetes/kubectl	patch	v1.28.6 -> v1.28.8
registry1.dso.mil/ironbank/opensource/nginx/nginx	patch	1.25.3 -> 1.25.4
grafana-agent-operator (source)	patch	0.3.15 -> 0.3.19

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