Merge pull request #348 from njoy/update/ci

Upgrading macos to macos-13

Author: whaeck

.github/workflows/ContinuousIntegration.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{matrix.os}}
     strategy:
       matrix:
-        os: [ ubuntu-22.04, macos-12 ]
+        os: [ ubuntu-22.04, macos-13 ]
         build_type: [ Debug, Release ]
         vFortran: [ gfortran-12 ]