Update actions/setup-python action to v7

Author: renovate[bot]

.github/workflows/kivy_ios.yml

@@ -10,7 +10,7 @@ jobs:
     - name: Checkout kivy-ios
       uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.x
     - name: Run flake8
@@ -30,7 +30,7 @@ jobs:
     - name: Checkout kivy-ios
       uses: actions/checkout@v6
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
     - name: Install kivy-ios and test dependencies
@@ -53,7 +53,7 @@ jobs:
     - name: Checkout kivy-ios
       uses: actions/checkout@v6
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
     - name: Install requirements
@@ -90,7 +90,7 @@ jobs:
     - name: Checkout kivy-ios
       uses: actions/checkout@v6
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
     - name: Install requirements
@@ -135,7 +135,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
     - name: Install requirements

.github/workflows/pypi-release.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.x
     - name: Install dependencies

.github/workflows/setup.yml

@@ -9,7 +9,7 @@ jobs:
     - name: Checkout kivy-ios
       uses: actions/checkout@v6
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.x
     - name: Install dependencies