chore: add `@since` annotation for IStreamImage::resource method

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

lib/public/IStreamImage.php

@@ -28,6 +28,7 @@ namespace OCP;
  */
 interface IStreamImage extends IImage {
 	/**
+	 * @since 24.0.0
 	 * @return false|resource Returns the image resource if any
 	 */
 	public function resource();