Update Ironbank

This MR contains the following updates:

Package	Update	Change
gluon	patch	0.4.0 -> 0.4.1
redis	major	17.10.2-bb.0 -> 18.0.4-bb.0
registry1.dso.mil/ironbank/bitnami/analytics/redis-exporter	minor	v1.50.0 -> v1.55.0
registry1.dso.mil/ironbank/bitnami/redis	minor	7.0.11 -> 7.2.2
registry1.dso.mil/ironbank/container-hardening-tools/renovate/renovate	major	34.120.0 -> 37.27.0

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This MR has been generated by Renovate Bot.

Relates to: #14 (closed)

docs/DEVELOPMENT_MAINTENANCE.md

@@ -16,7 +16,8 @@ kpt pkg update chart/@renovate-${chart.version} --strategy alpha-git-patch
 - set registry1 image and imagepullsecret
 ```yaml
 image:
-  repository: registry1.dso.mil/ironbank/container-hardening-tools/renovate/renovate
+  registry: registry1.dso.mil
+  repository: ironbank/container-hardening-tools/renovate/renovate
   tag: 34.120.0
   pullPolicy: IfNotPresent