Update cimg/python Docker tag to v3.14

Author: renovate[bot]

.circleci/config.yml

@@ -5,7 +5,7 @@ orbs:
 jobs:
   ensure_formatting:
     docker:
-      - image: cimg/python:3.13
+      - image: cimg/python:3.14
     working_directory: ~/repo
     steps:
       - checkout
@@ -41,7 +41,7 @@ jobs:
   test:
     working_directory: ~/openaev
     docker:
-      - image: cimg/python:3.13
+      - image: cimg/python:3.14
     steps:
       - checkout
       - setup_remote_docker