update setup-python

Author: Jeff Whitaker

.github/workflows/build-wheels-macosx.yml

@@ -49,7 +49,7 @@ jobs:
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 

.github/workflows/build-wheels-macosx2.yml

@@ -49,7 +49,7 @@ jobs:
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}