Bump zeroize from 1.6.0 to 1.7.0 (#1075) #2755

Job	Run time
Clippy	1m 1s
Cross (aarch64-linux-android)	3m 15s
Check (stable)	1m 8s
Cross (aarch64-unknown-linux-gnu)	3m 5s
Check (1.65.0)	2m 55s
Cross (aarch64-unknown-linux-musl)	3m 10s
Deny (advisories)	22s
Deny (bans licenses sources)	22s
Documentation	53s
Format	13s
Hack	2m 5s
Lint markdown files	1m 6s
Tests	4m 17s
Tools	2m 28s
	26m 20s

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