Update with flexible zeroize version

[ethyi]

Motivation and Context

Updating the zeroize version in Cargo.toml in aws-types.
Specifying zeroize 1.4.1 only allows 1.4.1 and up. Many crates in production use 1.4 and less. Downgrading to 1.0.0 provides flexible versioning without sacrificing functionality.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[jdisanti]

I don't see any Rustsec advisories on the zeroize crate, and the aws-config crate is currently using "1", so I think this change should be fine as long as CI passes.

[jdisanti]

If you want to be credited in the changelog with the next release, then be sure to add an [[aws-sdk-rust]] entry to CHANGELOG.next.toml.

[jdisanti]

It looks like the following message from the PR template's description was omitted when creating the PR:

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Unfortunately, I can't merge this until it is added back in. But otherwise, it all looks good!

[ethyi]

Motivation and Context

Updating the zeroize version in Cargo.toml in aws-types.
Specifying zeroize 1.4.1 only allows 1.4.1 and up. Many crates in production use 1.4 and less. Downgrading to 1.0.0 provides flexible versioning without sacrificing functionality.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[jdisanti]

Thank you for the contribution! I'll work on getting this merged.