fix(forms): precise type assertion for onInput event handler (#293)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/forms/Input.vue

@@ -156,7 +156,7 @@ export default defineComponent({
     }
 
     const onInput = (event: InputEvent) => {
-      emit('update:modelValue', (event.target as any).value)
+      emit('update:modelValue', (event.target as HTMLInputElement).value)
     }
 
     onMounted(() => {