chore(deps): update python:3.13 docker digest to 18ecbd0 (main) (#35243)

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

Author: renovate[bot]

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

@@ -44,7 +44,7 @@ resources:
     - container: linux
       image: ubuntu:24.04
     - container: python
-      image: python:3.13@sha256:8c55c44b9e81d537f8404d0000b7331863d134db87c1385dd0ec7fefff656495
+      image: python:3.13@sha256:18ecbd0f5b70ebd15c1b510b58899def5e0e21260f59477e8186565977d2402c
 
 stages:
   - stage: StageOne