🔒️(security) upgrade python version to fix vulnerability

Vulnerability in jaraco.context caused security issue
in setuptools and python3. change python version to fix
see https://github.com/advisories/GHSA-58pv-8j8x-9vj2

.github/workflows/crowdin_upload.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v3
         with:
-          python-version: "3.11"
+          python-version: '3.13'
       - name: Upgrade pip and setuptools
         run: pip install --upgrade pip setuptools
       - name: Install development dependencies

.github/workflows/people.yml

@@ -224,7 +224,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.13'
       - name: Install development dependencies
         run: pip install --user .[dev]
       - name: Check code formatting with ruff
@@ -281,7 +281,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.13'
       - name: Install development dependencies
         run: pip install --user .[dev]
       - name: Install gettext (required to compile messages)