Fix deauthentication callback setter name

Author: ilijastuden

src/Authentication.php

@@ -277,7 +277,7 @@ public function &onUserSet(callable $value)
         return $this;
     }
 
-    public function &setOnUserDeauthenticated(callable $value)
+    public function &onUserDeauthenticated(callable $value)
     {
         $this->on_user_deauthenticated[] = $value;
 

src/AuthenticationInterface.php

@@ -110,7 +110,7 @@ public function &onUserSet(callable $value);
      * @param  callable $value
      * @return $this
      */
-    public function &setOnUserDeauthenticated(callable $value);
+    public function &onUserDeauthenticated(callable $value);
 
     /**
      * Use onUserSet() instead.

test/src/EventsTest.php

@@ -68,14 +68,14 @@ public function testOnUserDeauthenticated()
         $authentication = $this->prepareForAuthentication();
 
         $first_callback_called = false;
-        $authentication->setOnUserDeauthenticated(function () use (&$first_callback_called) {
+        $authentication->onUserDeauthenticated(function () use (&$first_callback_called) {
             $this->validateOnUserDeauthenticatedArguments(func_get_args());
 
             $first_callback_called = true;
         });
 
         $secon_callback_called = false;
-        $authentication->setOnUserDeauthenticated(function () use (&$secon_callback_called) {
+        $authentication->onUserDeauthenticated(function () use (&$secon_callback_called) {
             $this->validateOnUserDeauthenticatedArguments(func_get_args());
 
             $secon_callback_called = true;