Update setTimeout() to queueMicrotask()

[itsmatteomanf]

Changes

Replaces the instance of setTimeout() in the runtime to use queueMicrotask(), to resolve limitations on Cloudflare Workers.

Fixes #7460.

Testing

No tests were added per #7460 (comment).

Docs

No changes in documentation is required, no user-facing changes nor different behaviour is expected.

[changeset-bot]

🦋 Changeset detected

Latest commit: 3b51a0d

The changes in this PR will be included in the next version bump.

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[itsmatteomanf]

!bench

[github-actions]

PR Benchmark

Memory

	Elapsed time (s)	Memory used (MB)	Final memory (MB)
SSR build	4.58	90.39	129.92
Client build	0.15	0.02	129.64
Static generate	0.76	5.76	135.14

Render

Page	Avg (ms)	Stdev (ms)	Max (ms)
/astro	5.32	5.53	47.37
/md	7.55	3.33	37.82
/mdx	211.76	38.23	351.02

Server stress

	Avg	Stdev	Max
Latency	2379 ms	532.55 ms	4037 ms

	Avg	Stdev	Min	Total in 30s
Req/Sec	405.37	171.29	337	12.2k requests
Bytes/Sec	28.8 MB	12.2 MB	24 MB	864 MB read

Main Benchmark

Memory

	Elapsed time (s)	Memory used (MB)	Final memory (MB)
SSR build	4.69	90.23	129.77
Client build	0.15	0.06	129.68
Static generate	0.77	5.98	135.18

Render

Page	Avg (ms)	Stdev (ms)	Max (ms)
/astro	5.22	5.46	47.51
/md	7.54	3.15	35.77
/mdx	210.55	33.34	332.71

Server stress

	Avg	Stdev	Max
Latency	2350.03 ms	566.25 ms	4173 ms

	Avg	Stdev	Min	Total in 30s
Req/Sec	410.17	149.93	332	12.3k requests
Bytes/Sec	29.2 MB	10.7 MB	23.6 MB	875 MB read