Avoid doing_it_wrong warning caused by `rest_validate_value_from_sc…

…hema()` (#7)

* Avoid `doing_it_wrong` warning caused by `rest_validate_value_from_schema()`

* Improve the `autoblue_shares` REST schema

Set the format argument to `uri` for the `uri` & `at_uri` props.

Props @danielpost

includes/Meta.php

@@ -56,11 +56,13 @@ public function register_post_meta(): void {
 									'required' => true,
 								],
 								'uri'      => [
-									'type'     => 'uri',
+									'type'     => 'string',
+									'format'   => 'uri',
 									'required' => true,
 								],
 								'at_uri'   => [
-									'type' => 'uri',
+									'type'   => 'string',
+									'format' => 'uri',
 								],
 								'response' => [
 									'type' => 'string',