chore(deps): update python docker tag to v3.12 (#30762)

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

lib/modules/manager/azure-pipelines/readme.md

@@ -44,7 +44,7 @@ resources:
     - container: linux
       image: ubuntu:24.04
     - container: python
-      image: python:3.7@sha256:3870d35b962a943df72d948580fc66ceaaee1c4fbd205930f32e0f0760eb1077
+      image: python:3.12@sha256:e3d5b6f95ce66923b5e48a06ee5755abb097de96a8617c3f2f7d431d48e63d35
 
 stages:
   - stage: StageOne