chore(deps): update debian docker tag to v13

alma-renovate-bot[bot] · alma-renovate-bot[bot] · commit 1f33ad66b5a4 · 2025-10-06T15:51:43.000Z
diff --git a/legacy.Dockerfile b/legacy.Dockerfile
@@ -1,5 +1,5 @@
 FROM composer:2.2 AS composer
-FROM debian:bullseye
+FROM debian:trixie
 
 ARG UID
 
