Build: bump CMake minimum required to 3.22 to match Core

Author: davidgumberg

CMakeLists.txt

@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file. See the AUTHORS file for names of contributors.
 
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.22)
 # Keep the version below in sync with the one in db.h
 project(leveldb VERSION 1.22.0 LANGUAGES C CXX)