Bump Symfony version to 5.1.10

Author: fabpot

Kernel.php

@@ -73,12 +73,12 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     private static $freshCache = [];
 
-    const VERSION = '5.1.9';
-    const VERSION_ID = 50109;
+    const VERSION = '5.1.10-DEV';
+    const VERSION_ID = 50110;
     const MAJOR_VERSION = 5;
     const MINOR_VERSION = 1;
-    const RELEASE_VERSION = 9;
-    const EXTRA_VERSION = '';
+    const RELEASE_VERSION = 10;
+    const EXTRA_VERSION = 'DEV';
 
     const END_OF_MAINTENANCE = '01/2021';
     const END_OF_LIFE = '01/2021';