Fix unscoped CSS leaking out

The missing scoped attribute cause h2 headers to no longer have the
expected top margin.  Fix by adding the intended scope attribute.

components/DiffSchedule.vue

@@ -61,7 +61,7 @@ const shifts = computed(() => {
 });
 </script>
 
-<style>
+<style scoped>
 h2 {
 	margin-block-start: 0.2rem;
 }

pages/admin/users/[id].vue

@@ -84,7 +84,7 @@ const { pending, data, error } = await useFetch(() => `/api/users/${id.value}/de
 const userDetails = data as Ref<ApiUserDetails | ApiTombstone>;
 </script>
 
-<style>
+<style scoped>
 dl {
 	display: grid;
 	grid-template-columns: auto 1fr;