test: fix Tarantool version for ACCESS_DENIED user field check (#95)

Currently this test fails in Tarantool 3.0 branch.

Need for tarantool/tarantool#9108

tests/Integration/BoxErrorTest.php

@@ -64,7 +64,7 @@ public function testExceptionWithErrorIsThrown() : void
                 'access_type' => 'Write',
                 'user' => 'user_with_no_privileges',
             ];
-            if ($this->tarantoolVersionSatisfies('<= 3.0')) {
+            if ($this->tarantoolVersionSatisfies('< 3.1')) {
                 unset($expectedFields['user']);
             }
             self::assertEquals($expectedFields, $error->getFields());