Update gcr.io/kasten-images/crypto Docker tag to v6.5.11

This MR contains the following updates:

Package	Type	Update	Change
gcr.io/kasten-images/crypto		patch	6.5.10 -> 6.5.11
gcr.io/kasten-images/crypto	ironbank-docker	patch	6.5.10 -> 6.5.11
gcr.io/kasten-images/crypto	stage	patch	6.5.10 -> 6.5.11

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