sync leptos 0.8 #3259

Job	Run time
get-example-changed / Get Example Changed	4s
get-matrix / Get Changed Example Matrix	5s
CI (examples/hackernews_axum) / Run ci (stable)	6m 38s
CI (examples/errors_axum) / Run ci (stable)	6m 49s
CI (examples/axum_js_ssr) / Run ci (stable)	6m 35s
CI (examples/hackernews_islands_axum) / Run ci (stable)	6m 53s
CI (examples/hackernews_js_fetch) / Run ci (stable)	6m 16s
CI (examples/islands) / Run ci (stable)	6m 40s
CI (examples/islands_router) / Run ci (stable)	7m 22s
CI (examples/server_fns_axum) / Run ci (stable)	6m 35s
CI (examples/ssr_modes_axum) / Run ci (stable)	6m 32s
CI (examples/static_routing) / Run ci (stable)	6m 46s
CI (examples/tailwind_axum) / Run ci (stable)	7m 22s
CI (examples/todo_app_sqlite_csr) / Run ci (stable)	7m 19s
CI (examples/todo_app_sqlite_axum) / Run ci (stable)	7m 11s
	1h 29m 7s

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