Select Python version on macOS

Signed-off-by: Julien Jerphanion <git@jjerphan.xyz>

Author: jjerphan

.github/workflows/build_steps.yml

@@ -333,6 +333,12 @@ jobs:
         with:
           python-version: "3.${{inputs.python3}}"
 
+      - name: Select Python (macOS)
+        if: matrix.os == 'macos'
+        uses: actions/setup-python@v4.7.1
+        with:
+          python-version: "3.${{inputs.python3}}"
+
       - name: Windows Pagefile
         if: matrix.os == 'windows'
         uses: al-cheb/configure-pagefile-action@v1.3