Add DriverInterface::version() and make method non-static

src/Drivers/Gd/Driver.php

@@ -156,7 +156,7 @@ class Driver extends AbstractDriver
     /**
      * Return version of GD library
      */
-    public static function version(): string
+    public function version(): string
     {
         return gd_info()['GD Version'];
     }

src/Drivers/Imagick/Driver.php

@@ -160,7 +160,7 @@ class Driver extends AbstractDriver
      *
      * @throws DriverException
      */
-    public static function version(): string
+    public function version(): string
     {
         $pattern = '/^ImageMagick (?P<version>(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)' .
             '(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?' .

src/Interfaces/DriverInterface.php

@@ -89,4 +89,11 @@ interface DriverInterface
      * underlying PHP extension was built with support for the format.
      */
     public function supports(string|Format|FileExtension|MediaType $identifier): bool;
+
+    /**
+     * Return the version number of the image driver currently in use.
+     *
+     * @throws DriverException
+     */
+    public function version(): string;
 }