Restrict to python 3.11 to allow torch to be pip installed on macOS.

Author: jatkinson1000

.github/workflows/test_suite_macos.yml

@@ -89,7 +89,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.11'
 
       - name: Install PyTorch
         run: |

.github/workflows/test_suite_ubuntu.yml

@@ -78,7 +78,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.11'
 
       - name: Install PyTorch
         run: |