Add vanilla Node.js handler #2915

Job	Run time
eslint-plugin: Test	33s
inngest: Local API diff	36s
Create examples test matrix	4s
inngest: Lint	46s
inngest: Runtime tests (14)	1m 35s
inngest: Composite tests	58s
inngest: Runtime tests (16)	1m 31s
inngest: Dependency tests	37s
inngest: Dist tests	43s
inngest: Runtime tests (18)	1m 29s
inngest: Type tests (latest)	44s
inngest: Runtime tests (20)	1m 30s
middleware-encryption: Test	27s
inngest: Type tests (~5.7.0)	44s
inngest: Runtime tests (22)	1m 25s
middleware-validation: Test	35s
inngest: Type tests (~5.6.0)	48s
inngest: Type tests (~5.5.0)	59s
inngest: Package	46s
inngest: Type tests (~5.4.0)	47s
inngest: Type tests (~5.3.0)	45s
inngest: Type tests (~5.2.0)	47s
inngest: Type tests (~5.1.0)	49s
inngest: Type tests (~5.0.0)	47s
inngest: Type tests (~4.9.0)	48s
inngest: Type tests (~4.8.0)	53s
inngest: Type tests (~4.7.0)	49s
Test examples (framework-nuxt)	1m 53s
Test examples (framework-nitro)	1m 43s
Test examples (framework-google-functions-framework)	1m 30s
Test examples (framework-remix)	1m 53s
Test examples (bun)	1m 15s
Test examples (framework-nextjs-pages-router)	1m 35s
Test examples (framework-koa)	1m 21s
Test examples (framework-sveltekit)	1m 37s
Test examples (framework-fastify)	1m 31s
Test examples (framework-express)	1m 29s
Test examples (framework-nextjs-app-router)	1m 31s
Test examples (framework-node)	1m 21s
Test examples (framework-hono)	1m 22s
Test examples (framework-astro)	1m 39s
Test examples (framework-remix, force)	1m 51s
Test examples (framework-nextjs-app-router, force)	1m 39s
	48m 25s

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