Update Ironbank to v0.32.0

This MR contains the following updates:

Package	Update	Change
ironbank/opensource/thanos/thanos	minor	0.29.0 -> v0.32.0
ironbank/opensource/thanos/thanos	minor	v0.29.0 -> v0.32.0
registry1.dso.mil/ironbank/opensource/thanos/thanos	minor	v0.29.0 -> v0.32.0

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