only do macos intel (more Python version available)

.github/workflows/test_unit_and_examples.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-14, windows-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
@@ -42,7 +42,7 @@ jobs:
           sudo apt install -y gfortran ngspice python3-tk libboost-all-dev libopenblas-dev libfftw3-dev libsuitesparse-dev
 
       - name: Install system dependencies in MacOS
-        if: matrix.os == 'macos-14'
+        if: matrix.os == 'macos-latest'
         run: |
           brew reinstall gfortran
           brew install ngspice boost suite-sparse
@@ -70,7 +70,7 @@ jobs:
 # this is not working as of early 2024. Doesn't work for either Intel or M1 Macs, different errors:
 # on M1, cannot find the boost libraries, in Intel, gives a 'flat namespace' error.
 #      - name: Install S4 (Mac)
-#        if: matrix.os == 'macos-14'
+#        if: matrix.os == 'macos-latest'
 #        run: |
 #          pip install wheel setuptools
 #          git clone https://github.com/phoebe-p/S4
@@ -110,7 +110,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-14, windows-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: ["3.10", "3.11", "3.12"]
 
     steps:
@@ -135,7 +135,7 @@ jobs:
           sudo apt install -y gfortran ngspice python3-tk libboost-all-dev libopenblas-dev libfftw3-dev libsuitesparse-dev
 
       - name: Install system dependencies in MacOS
-        if: matrix.os == 'macos-14'
+        if: matrix.os == 'macos-latest'
         run: |
           brew reinstall gfortran
           brew install ngspice boost suite-sparse