feat(types): Add DefaultEnv for zero runtime factory #6114

Job	Run time
Bun	5s
Fastly Compute	1m 2s
Deno	13s
Checking if it's valid for JSR	12s
AWS Lambda	1m 4s
Lambda@Edge	1m 1s
Main	1m 32s
Node.js v18.18.2	1m 11s
workerd	1m 8s
Type & Bundle size Check on Main	0s
Node.js v20.x	1m 4s
Type & Bundle size Check on PR	1m 22s
Node.js v22.x	1m 4s
Coverage	0s
	10m 58s

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