Adjust Rust toolchain, clippy, and minor ci changes #7853

Job	Run time
workflow-setup	27s
clippy	3m 32s
verify-code-formatting	21s
workflow-setup-check	1s
build-docker-vdrproxy	5s
test-integration-aries-vcx (askar_wallet,anoncreds)	6m 32s
build-docker-aath-backchannel	0s
test-integration-did-crate	1m 46s
test-unit-workspace	1m 39s
publish-docker-aath-backchannel	0s
test-integration-aries-vcx-vdrproxy	11m 18s
publish-docker-vdrproxy	1s
make-release	0s
	25m 42s

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