chore: fix lifetime on example (#2125) #1370

Job	Run time
get-leptos-changed / Detect Source Change	2s
CI (integrations/axum) / Run ci (nightly)	13m 16s
CI (integrations/actix) / Run ci (nightly)	13m 43s
CI (integrations/viz) / Run ci (nightly)	13m 2s
CI (leptos) / Run ci (nightly)	1h 29m 37s
CI (leptos_config) / Run ci (nightly)	12m 28s
CI (integrations/utils) / Run ci (nightly)	12m 34s
CI (leptos_dom) / Run ci (nightly)	19m 32s
CI (leptos_hot_reload) / Run ci (nightly)	12m 35s
CI (leptos_macro) / Run ci (nightly)	18m 22s
CI (leptos_reactive) / Run ci (nightly)	42m 5s
CI (leptos_server) / Run ci (nightly)	19m 2s
CI (meta) / Run ci (nightly)	12m 36s
CI (router) / Run ci (nightly)	13m 51s
CI (server_fn) / Run ci (nightly)	13m 15s
CI (server_fn_macro) / Run ci (nightly)	11m 55s
CI (server_fn/server_fn_macro_default) / Run ci (nightly)	11m 23s
	5h 29m 18s

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