Update setup-python action to v6 (#722)

Author: mcbarton

.github/workflows/clang-format.yml

@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"
 

.github/workflows/clang-tidy-review.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.11"
 

.github/workflows/deploy-pages.yml

@@ -34,7 +34,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'
 

.github/workflows/emscripten.yml

@@ -84,7 +84,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'
 

.github/workflows/main.yml

@@ -206,7 +206,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.11'