chore(deps): update actions/setup-python action to v6

Author: renovate[bot]

.github/workflows/deploy_docs.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install python 3.12
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
 

.github/workflows/release_pypi.yaml

@@ -19,7 +19,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
 

.github/workflows/test.yaml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -95,7 +95,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install python 3.12
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"