Fix clippy linting errors in turbopack-dev-server and pack-napi

[Copilot]

Fix Clippy Linting Errors

• Fix duplicate import of OperationVc in turbopack-dev-server/src/lib.rs
• Fix conditional compilation issues in pack-napi/src/util.rs DhatProfilerGuard::try_init()
• Apply proper cargo fmt formatting
• Update next.js submodule with clippy fix
• Run clippy to verify all errors are fixed
• Run cargo fmt to verify formatting compliance

Original prompt

Fix all clippy linting errors in this pull request to ensure compliance with Rust best practices.

This pull request was created from Copilot chat.

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[xusd320]

@copilot cargo fmt failed

[Copilot]

@copilot cargo fmt failed

Fixed in commit 9247aae. Applied proper formatting to the #[cfg(all(...))] attribute to satisfy cargo fmt requirements.

[xusd320]

@copilot should update the submodule

[Copilot]

@copilot should update the submodule

Updated the next.js submodule in commit 6e343c2. The submodule now points to commit d537811 which includes the fix for the duplicate OperationVc import in turbopack-dev-server.