php70: 7.0.10 -> 7.0.11 (security)

See https://secure.php.net/ChangeLog-7.php#7.0.11.

pkgs/development/interpreters/php/default.nix

···
   };
 
   php70 = generic {
-    version = "7.0.10";
-    sha256 = "1ppn17n5klhs1b2mcbbxxiqq4xvdbmv8p866q0qnk61nlzjvnmc0";
+    version = "7.0.11";
+    sha256 = "1wgpkfzpiap29nxjzqjjvpgirpg61n61xbqq9f25i60lq6fp56zr";
   };
 }