chore: release v1.2.8

[SyMind]

Summary

https://github.com/web-infra-dev/rspack/releases/tag/v1.2.8

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rspack canceled.

Name	Link
🔨 Latest commit	31c8d70
🔍 Latest deploy log	https://app.netlify.com/sites/rspack/deploys/67d01174878416000829c2d5

[github-actions]

📝 Ecosystem CI detail: Open

suite	result
modernjs	✅ success
rspress	✅ success
rslib	❌ failure
rsbuild	❌ failure
rsdoctor	❌ failure
examples	❌ failure
devserver	✅ success
nuxt	✅ success

[codspeed-hq]

CodSpeed Performance Report

Merging #9621 will create unknown performance changes

_{Comparing release/v1.2.8 (31c8d70) with main (eea429a)}

Summary

🆕 8 new benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
🆕	basic	N/A	2.6 ms	N/A
🆕	basic_sourcemap	N/A	2.8 ms	N/A
🆕	build_chunk_graph	N/A	94.4 ms	N/A
🆕	build_chunk_graph_parallel	N/A	68.9 ms	N/A
🆕	Traverse compilation.modules	N/A	91.7 µs	N/A
🆕	Traverse module graph by connections	N/A	329.6 µs	N/A
🆕	Traverse module graph by dependencies	N/A	574.9 µs	N/A
🆕	stats.toJson()	N/A	18.8 ms	N/A

[SyMind]

run eco-ci in this branch will cause follow error:

ERR_PNPM_NO_MATCHING_VERSION  No matching version found for @rspack/[email protected] while fetching it from https://registry.npmjs.org/

so i check the eco-ci results in main branch as a substitute.