fix(deps): update rust crate tokio to 1.20.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	patch	1.20.0 -> 1.20.1

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Configuration

📅 Schedule: Branch creation - "before 3am on Monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, click this checkbox. ⚠ Warning: custom changes will be lost.

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[renovate]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: src/functions-templates/rust/hello-world/Cargo.lock

Process exited with exit code "101"

[github-actions]

📊 Benchmark results

Comparing with d2e572a

Package size: 224 MB

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