Update actions/setup-python action to v6 (#449)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pylint.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.8
 

.github/workflows/python-app.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Set up Python 3.9
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.9
     - name: Install dependencies

.github/workflows/python.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

.github/workflows/update-l10n-sources.yml

@@ -14,7 +14,7 @@ jobs:
           token: ${{ secrets.PAT }}
 
       - name: Setup Python 🐍
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
 

.github/workflows/update-l10n.yml

@@ -14,7 +14,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Python 🐍
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"