fix(pack): lightningcss support parse put function under var()

[fireairforce]

Summary

utooland/lightningcss@af747bd

Before:

After:

Test Plan

添加了测试

[gemini-code-assist]

Summary of Changes

Hello @fireairforce, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request resolves an issue where lightningcss failed to correctly parse rgba() functions when used inside var() CSS functions. The primary change involves updating the lightningcss dependency to a version that incorporates this fix. To ensure the regression does not occur, a new test case has been introduced, demonstrating the proper handling and compilation of such CSS constructs.

Highlights

• Dependency Updates: The lightningcss dependency has been updated to version 1.0.0-alpha.70, along with its related derive and selector packages. Additionally, itertools and hashbrown dependencies were downgraded to 0.12.1 and 0.15.5 respectively.
• CSS Parsing Fix: This pull request includes a fix for lightningcss to correctly parse and handle rgba() functions when they are nested within var() CSS functions.
• New Test Case: A new test case has been added to crates/pack-tests to validate the correct parsing and transformation of CSS rules containing var(rgba(...)).

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[gemini-code-assist]

Code Review

This pull request fixes an issue where lightningcss failed to parse rgba() functions within var() by updating the lightningcss dependency to a newer version from a forked repository. The change is accompanied by a new snapshot test that correctly verifies the fix. The implementation is correct and effectively resolves the described problem. I have one minor suggestion regarding the organization of the new test case to improve maintainability.

[xusd320]

lightningcss commit 关联到 pr 描述里

[fireairforce]

lightningcss commit 关联到 pr 描述里

done 了