build: install node types and remove lib.dom.d.ts from tsconfig

[zirkelc]

This library was relying on the fetch types from lib.dom.d.ts available from the tsconfig.json.
As this library is mostly used in a Node.js environment, it makes sense to use the official fetch types from Node.js which import the official types from unidici (#22)

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🟢	Lines	100% (🎯 80%)	97 / 97
🟢	Statements	100% (🎯 80%)	97 / 97
🟢	Functions	100% (🎯 80%)	3 / 3
🟢	Branches	94.73% (🎯 80%)	36 / 38

File Coverage

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Generated in workflow #85 for commit 6c4110c by the Vitest Coverage Report Action