feat: add compatible compilation.modules

[IWANABETHATGUY]

Related issue (if exists)

1. Closed Rspack incompatibile with generate-package-json-webpack-plugin #2719

Summary

🤖 Generated by Copilot at 9eb3a4e

This pull request adds a getter method for the modules property of the Compilation class in packages/rspack/src/compilation.ts. This allows other classes, such as the ModuleGraph, to access the modules of the compilation.

Walkthrough

🤖 Generated by Copilot at 9eb3a4e

• Add a getter method for the modules property of the Compilation class (link)

[changeset-bot]

⚠️ No Changeset found

Latest commit: 6ee4944

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[hardfist]

!bench

[hyf0]

!bench

I don't think this would affect the current benchmark cases. compilation.modules is computed lazily.

[github-actions]

Benchmark Results

group                                                 baseline                               pr
-----                                                 --------                               --
criterion_benchmark/ten_copy_of_threejs               1.00       2.4±0.13s        ? ?/sec    1.02       2.4±0.07s        ? ?/sec
high_cost_benchmark/ten_copy_of_threejs_production    1.00       8.3±0.13s        ? ?/sec    1.01       8.4±0.11s        ? ?/sec

[github-actions]

Benchmark Results

group                                                 baseline                               pr
-----                                                 --------                               --
criterion_benchmark/ten_copy_of_threejs               1.01       2.9±0.09s        ? ?/sec    1.00       2.9±0.09s        ? ?/sec
high_cost_benchmark/ten_copy_of_threejs_production    1.00       9.9±0.16s        ? ?/sec    1.02      10.1±0.15s        ? ?/sec