Update python to v3.14.6 (#11063)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.devcontainer/devcontainer.json

@@ -8,7 +8,7 @@
   "features": {
     "ghcr.io/devcontainers/features/python:1": {
       "installTools": true,
-      "version": "3.13"
+      "version": "3.14"
     }
   },
   "customizations": {

.github/workflows/build_windows_bin.yml

@@ -50,7 +50,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       # framework-portduino calls argp_parse(); MSYS2 packages argp only for the
       # msys runtime, which cannot link into a native binary. No install() rules.