cmake: update cmake_minimum_required to avoid deprecated warning

.github/cmake/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.0...3.5)
 project(ci_utils C CXX)
 
 set(txt "CC=${CMAKE_C_COMPILER}

.github/workflows/msvc.yml

@@ -34,7 +34,7 @@ jobs:
         os.makedirs(builddir)
         with open(f"{ builddir }/CMakeLists.txt", "w") as f:
           f.write(textwrap.dedent(f"""\
-            cmake_minimum_required(VERSION 3.0)
+            cmake_minimum_required(VERSION 3.0...3.5)
             project(sdl_user)
             add_subdirectory("{ srcdir }" SDL)
           """))

VisualC/pkg-support/cmake/sdl2-config.cmake

@@ -1,7 +1,7 @@
 # SDL2 CMake configuration file:
 # This file is meant to be placed in a cmake subfolder of SDL2-devel-2.x.y-VC
 
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.0...3.5)
 
 include(FeatureSummary)
 set_package_properties(SDL2 PROPERTIES

docs/README-cmake.md

@@ -48,7 +48,7 @@ SDL can be included in your project in 2 major ways:
 The following CMake script supports both, depending on the value of `MYGAME_VENDORED`.
 
 ```cmake
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 project(mygame)
 
 # Create an option to switch between a system sdl library and a vendored sdl library