Bump default python to 3.13

Bump default python from Python 3.12 to 3.13 in e3 repositories CI tests.

ref: it/org/software-supply-chain/production-pipeline/issues#148

See merge request it/cookiecutter-e3!95 of the template

Author: cookiecutter-e3

.gitlab-ci.yml

@@ -8,14 +8,15 @@ variables:
       - "3.11"
       - "3.12"
       - "3.13"
-    value: "3.13"
+      - "3.14"
+    value: "3.14"
   LINUX_CI_TOX_ENV:
     # Run coverage only with one Python version as this is costly.
     description: "Tox environments to run on Linux."
-    value: "py311-xdist,py312-xdist,py313-cov-xdist"
+    value: "py311-xdist,py312-xdist,py313-xdist,py314-cov-xdist"
   WINDOWS_CI_TOX_ENV:
     description: "Tox environments to run on Windows."
-    value: "py312-xdist"
+    value: "py313-xdist"
 
 stages:
   - checks

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py312-cov-xdist,
+    py313-cov-xdist,
     check
 isolated_build=True