Update Python version in CI to new minimum 3.11

Signed-off-by: Sebastian Schildt <sebastian.schildt@hs-heilbronn.de>

Author: SebastianSchildt

.github/workflows/release.yml

@@ -40,7 +40,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.11"
     - name: Install dependencies with pip
       run: |
         cd kuksa-client