Update gcr.io/kasten-images/crypto Docker tag to v7.0.7

This MR contains the following updates:

Package	Type	Update	Change
gcr.io/kasten-images/crypto		patch	7.0.6 -> 7.0.7
gcr.io/kasten-images/crypto	ironbank-docker	patch	7.0.6 -> 7.0.7
gcr.io/kasten-images/crypto	stage	patch	7.0.6 -> 7.0.7

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