chore: update devcontainer target image to Python 3.14

Agent-Logs-Url: https://github.com/microsoftgraph/msgraph-beta-sdk-python/sessions/fd44b549-b72f-4980-a4c7-0a76623379d4

Co-authored-by: ramsessanchez <63934382+ramsessanchez@users.noreply.github.com>

Author: Copilot

.devcontainer/devcontainer.json

@@ -8,7 +8,8 @@
     // "image": "mcr.microsoft.com/devcontainers/python:3.12-bookworm",
     // "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
     //"image": "mcr.microsoft.com/devcontainers/python:3.13-bookworm",
-    "image": "mcr.microsoft.com/devcontainers/python:3.13-bullseye",
+    //"image": "mcr.microsoft.com/devcontainers/python:3.13-bullseye",
+    "image": "mcr.microsoft.com/devcontainers/python:3.14-bookworm",
 
     "features": {