ci: ecosystem-ci runs on ubuntu-22.04

[jerrykingxyz]

Summary

Downgrade ecosystem-ci runs-on to ubuntu-22.04.

Checklist

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

[netlify]

✅ Deploy Preview for rspack ready!

Name	Link
🔨 Latest commit	1da5160
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[github-actions]

📝 Ecosystem CI detail: Open

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

[codspeed-hq]

CodSpeed Performance Report

Merging #8955 will not alter performance

_{Comparing jerry/ci (1da5160) with main (50c29e6)}

Summary

✅ 3 untouched benchmarks