[Actions] packer - Switch to dtolnay/rust-toolchain@stable & bump actions/[email protected]

[Pranav-yadav]

Summary:

This diff switches to dtolnay/rust-toolchain@stable since actions-rs/toolchain is NOT maintained and bumps actions/[email protected]

Note:
uses: dtolnay/rust-toolchain@stable
The selection of Rust toolchain is made based on the particular @rev of this Action being requested. For example dtolnay/rust-toolchain@nightly pulls in the nightly Rust toolchain, while dtolnay/[email protected] pulls in 1.42.0.

Ref.:

• actions-rs/toolchain is NOT Maintained, issue:
  Project unmaintained actions-rs/toolchain#216
• dtolnay/rust-toolchain@stable usage note: https://github.com/dtolnay/rust-toolchain#example-workflow
• actions/[email protected] changelog: https://github.com/actions/checkout/releases/tag/v3.5.3

Changelog:

[GENERAL] [SECURITY] - [Actions] packer - Switch to dtolnay/rust-toolchain@stable & bump actions/[email protected]

Test Plan

• Workflow should run and work as usual.

[passy]

Thank you!

[facebook-github-bot]

@passy has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@passy merged this pull request in d3861c5.