Update devcontainer-features.json

Author: pantherman594

features/src/workbench-tools/devcontainer-feature.json

@@ -11,7 +11,7 @@
       },
       "libPythonVersion": {
           "type": "string",
-          "default": "3.10",
+          "default": "3.14",
           "description": "The Python version to use for the installed libraries."
       },
       "cloud": {