Update Python version to 3.14.7 (#8456)

.github/workflows/update-doc-db.yml

@@ -8,7 +8,7 @@ on:
       python-version:
         description: Target python version to generate doc db for
         type: string
-        default: "3.14.3"
+        default: "3.14.7"
       base-ref:
         description: Base branch to create the update branch from
         type: string

.github/workflows/upgrade-pylib.md

@@ -52,7 +52,7 @@ cache:
     - cpython-lib-
 
 env:
-  PYTHON_VERSION: "v3.14.6"
+  PYTHON_VERSION: "v3.14.7"
   ISSUE_ID: "6839"
 ---