Update Ironbank

This MR contains the following updates:

Package	Update	Change
gluon	minor	0.3.2 -> 0.4.0
redis	minor	17.9.3-bb.0 -> 17.10.2-bb.0
registry1.dso.mil/ironbank/bitnami/redis	patch	7.0.10 -> 7.0.11

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Relates #13 (closed)

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