ci: update contracts workflow optimizer and rustc

[faddat]

Closes: #XXX

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[coderabbitai]

Walkthrough

This pull request updates the GitHub Actions workflow configuration by upgrading the versions of the cosmwasm/workspace-optimizer Docker image and the Rust toolchain. The contract optimization tool version is changed from 0.12.10 to 0.16.0, and the Rust toolchain version is updated from 1.69.0 to 1.81.0. Additionally, minor whitespace adjustments are made in the matrix declaration for improved readability.

Changes

Files	Change Summary
.github/workflows/contracts.yml	Updated cosmwasm/workspace-optimizer from 0.12.10 to 0.16.0 and dtolnay/rust-toolchain from 1.69.0 to 1.81.0. Minor whitespace adjustments made.

Possibly related PRs

• chore: bump rust optimizer #8682: This PR updates the cosmwasm-optimizer, which is directly related to the version update of the cosmwasm/workspace-optimizer in the main PR, indicating a shared focus on optimizing Rust tools within the CI/CD pipeline.

Suggested labels

C:x/tokenfactory, C:x/concentrated-liquidity

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Commits

Files that changed from the base of the PR and between 73278e9 and 82f60c0.

Files selected for processing (1)

• .github/workflows/contracts.yml (3 hunks)

Files skipped from review due to trivial changes (1)

• .github/workflows/contracts.yml

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[crnbarr93]

#8683 (comment)

Looks like this has a bit of overlap with #8683