fix: define component Props type instead of typecasting Astro.props

This surfaces some type errors in props being passed to some components,
particularly in the way Features passes the classes props.

src/components/widgets/FAQs.astro

@@ -2,7 +2,7 @@
 import Headline from '~/components/ui/Headline.astro';
 import ItemGrid from '~/components/ui/ItemGrid.astro';
 import WidgetWrapper from '~/components/ui/WidgetWrapper.astro';
-import type { Faqs } from '~/types';
+import type { Faqs as Props } from '~/types';
 
 const {
   title = '',
@@ -15,7 +15,7 @@ const {
   isDark = false,
   classes = {},
   bg = await Astro.slots.render('bg'),
-} = Astro.props as Faqs;
+} = Astro.props;
 ---
 
 <WidgetWrapper id={id} isDark={isDark} containerClass={`max-w-7xl mx-auto ${classes?.container ?? ''}`} bg={bg}>