fix: `fuels dev` cleanup not killing node

[nedsalk]

• Closes #2889

Summary

Checklist

• [ ] All changes are covered by tests (or not applicable)
• [ ] All changes are documented (or not applicable)
• [ ] I reviewed the entire PR myself (preferably, on GH UI)
• [ ] I described all Breaking Changes (or there's none)

[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
create-fuels-template	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 3, 2025 11:15am
fuels-template	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 3, 2025 11:15am
ts-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 3, 2025 11:15am
ts-docs-api	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 3, 2025 11:15am

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
create-fuels-counter-example	⬜️ Ignored (Inspect)			Jan 3, 2025 11:15am
create-fuels-template-preview	⬜️ Ignored (Inspect)			Jan 3, 2025 11:15am

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #3038 will not alter performance

_{Comparing ns/fix/fuels-dev-node-cleanup (3f525ce) with master (27e8808)}

Summary

✅ 18 untouched benchmarks

[github-actions[bot]]

Coverage Report:

Lines	Branches	Functions	Statements
77.77%(-0.01%)	70.4%(+0%)	75.37%(-0.01%)	77.74%(+0%)

Changed Files:

Ok	File (✨=New File)	Lines	Branches	Functions	Statements
🔴	packages/account/src/test-utils/launchNode.ts	95.32% (-0.05%)	80.95% (-1.58%)	89.47% (+0%)	93.75% (-0.05%)
🔴	packages/create-fuels/src/lib/getPackageManager.ts	100% (+0%)	88.88% (+8.88%)	100% (+0%)	100% (+0%)

[nedsalk]

Superseded by #3508