chore: upgrade to tailwind v4 (#18353)

web/src/routes/(user)/people/+page.svelte

@@ -387,7 +387,7 @@
       {/snippet}
     </PeopleInfiniteScroll>
   {:else}
-    <div class="flex min-h-[calc(66vh_-_11rem)] w-full place-content-center items-center dark:text-white">
+    <div class="flex min-h-[calc(66vh-11rem)] w-full place-content-center items-center dark:text-white">
       <div class="flex flex-col content-center items-center text-center">
         <Icon path={mdiAccountOff} size="3.5em" />
         <p class="mt-5 text-3xl font-medium max-w-lg line-clamp-2 overflow-hidden">

web/src/routes/(user)/people/[personId]/[[photos=photos]]/[[assetId=id]]/+page.svelte

@@ -362,7 +362,7 @@
 </script>
 
 <main
-  class="relative z-0 h-dvh overflow-hidden tall:ms-4 md:pt-[var(--navbar-height-md)] pt-[var(--navbar-height)]"
+  class="relative z-0 h-dvh overflow-hidden tall:ms-4 md:pt-(--navbar-height-md) pt-(--navbar-height)"
   use:scrollMemoryClearer={{
     routeStartsWith: AppRoute.PEOPLE,
     beforeClear: () => {