Merge branch 'master' into add-sphinx-mermaid

.github/workflows/build_dispatch.yml

@@ -1,5 +1,8 @@
 on: [push]
 
+permissions:
+  contents: read
+
 jobs:
   trigger_externals:
     if: ${{ github.repository_owner == 'nest' && github.ref_name == 'master' }}

.github/workflows/stale.yml

@@ -4,6 +4,9 @@ on:
   schedule:
   - cron: '31 8 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   stale:
 

CMakeLists.txt

@@ -17,9 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with NEST.  If not, see <http://www.gnu.org/licenses/>
 
-# Version range from minimum required (3.12 for macOS OpenMP)
-# up to newest version tested, see https://cliutils.gitlab.io/modern-cmake/chapters/basics.html
-cmake_minimum_required( VERSION 3.12...3.16 )
+cmake_minimum_required( VERSION 3.19 )
 
 # add cmake modules: for all `include(...)` first look here
 list( APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake )