Merge branch 'feature/improve-cmake-setup' into 'master'

[cmake] No need to enable all. dumux_add_test links to dumux libs

See merge request !229

CMakeLists.txt

 # SPDX-FileCopyrightInfo: Copyright © DuMux-Lecture contributors, see AUTHORS.md in root folder
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-cmake_minimum_required(VERSION 3.16)
+cmake_minimum_required(VERSION 3.22)
 
 project("dumux-lecture" C CXX)
 
@@ -23,12 +23,17 @@ include(DuneMacros)
 
 # start a dune project with information from dune.module
 dune_project()
-dune_enable_all_packages()
 
-find_file(DUMUX_RUNTEST NAMES runtest.py HINTS ${dumux_INCLUDE_DIRS} PATH_SUFFIXES bin/testing bin REQUIRED NO_DEFAULT_PATH)
+# find test executable
+find_file(DUMUX_RUNTEST
+  NAMES runtest.py
+  HINTS ${dumux_INCLUDE_DIRS}
+  PATH_SUFFIXES bin/testing bin
+  REQUIRED NO_DEFAULT_PATH
+)
 
 add_subdirectory(lecture EXCLUDE_FROM_ALL)
 add_subdirectory(dumux)
 
 # finalize the dune project, e.g. generating config.h etc.
-finalize_dune_project(GENERATE_CONFIG_H_CMAKE)
+finalize_dune_project()