chore: clean up warnings causing CI issues #1365

Job	Run time
get-leptos-changed / Detect Source Change	5s
CI (integrations/actix) / Run ci (nightly)	13m 7s
CI (integrations/axum) / Run ci (nightly)	12m 57s
CI (integrations/utils) / Run ci (nightly)	12m 28s
CI (integrations/viz) / Run ci (nightly)	12m 41s
CI (leptos) / Run ci (nightly)	1h 32m 56s
CI (leptos_config) / Run ci (nightly)	11m 58s
CI (leptos_dom) / Run ci (nightly)	19m 42s
CI (leptos_hot_reload) / Run ci (nightly)	11m 45s
CI (leptos_macro) / Run ci (nightly)	18m 1s
CI (leptos_reactive) / Run ci (nightly)	42m 30s
CI (leptos_server) / Run ci (nightly)	19m 3s
CI (router) / Run ci (nightly)	14m 1s
CI (server_fn) / Run ci (nightly)	12m 41s
CI (server_fn_macro) / Run ci (nightly)	11m 51s
CI (meta) / Run ci (nightly)	12m 51s
CI (server_fn/server_fn_macro_default) / Run ci (nightly)	11m 54s
	5h 30m 31s

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