Bump cmake version

ximion · ximion · commit a32475ab260e · 2025-07-28T21:20:52.000+02:00
This silences a warning that the older versions will soon no longer be
supported.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.6)
+cmake_minimum_required(VERSION 3.16)
 cmake_policy(SET CMP0048 NEW)
 
 if (POLICY CMP0043)

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-cmake_minimum_required(VERSION 3.6)`
	`1`	`+cmake_minimum_required(VERSION 3.16)`
`2`	`2`	`cmake_policy(SET CMP0048 NEW)`
`3`	`3`
`4`	`4`	`if (POLICY CMP0043)`