Update crc-fast dependency to 1.5.0

[shikhar]

Motivation and Context

fix for awesomized/crc-fast-rust#14 is present in 1.4.1+

Description

stop pinning to 1.3

Testing

Checklist

• For changes to the smithy-rs codegen or runtime crates, I have created a changelog entry Markdown file in the .changelog directory, specifying "client," "server," or both in the applies_to key.
• For changes to the AWS SDK, generated SDK code, or SDK runtime crates, I have created a changelog entry Markdown file in the .changelog directory, specifying "aws-sdk-rust" in the applies_to key.

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[ysaito1001]

Thank you for submitting the PR! Given some past experiences with the crate (which is great, but can be tricky to get right at times), we'd like to exercise a bit of caution. We'll assess the stability of version 1.5.0 and determine if we still need to pin to a specific version moving forward.