CI(deps): Update dependency python to v3.13.1

Author: renovate[bot]

.github/workflows/additional_checks.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       # renovate: datasource=python-version depName=python
-      PYTHON_VERSION: "3.12"
+      PYTHON_VERSION: "3.13"
 
     steps:
       - name: Checkout repository contents

.github/workflows/flake8.yml

@@ -17,7 +17,7 @@ concurrency:
 permissions: {}
 env:
   # renovate: datasource=python-version depName=python
-  PYTHON_VERSION: "3.12"
+  PYTHON_VERSION: "3.13"
   # renovate: datasource=pypi depName=flake8
   FLAKE8_VERSION: "7.1.1"