Fix: update rspack version

[ClarkXia]

• [x] Update rspack version
• [x] Disable experiment features by default for stable build

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (release/next@e0b2eae). Click here to learn what that means.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/next #6796 +/- ## =============================================== Coverage ? 79.52% =============================================== Files ? 218 Lines ? 19394 Branches ? 2506 =============================================== Hits ? 15423 Misses ? 3935 Partials ? 36 ```

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