chore(deps): update debian:trixie docker digest to 55a15a1 (#1909)

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

Author: renovate[bot]

docker/Dockerfile

@@ -1,5 +1,5 @@
 FROM composer:2.9@sha256:743aebe48ca67097c36819040633ea77e44a561eca135e4fc84c002e63a1ba07 AS composer
-FROM debian:trixie@sha256:2c91e484d93f0830a7e05a2b9d92a7b102be7cab562198b984a84fdbc7806d91
+FROM debian:trixie@sha256:55a15a112b42be10bfc8092fcc40b6748dc236f7ef46a358d9392b339e9d60e8
 WORKDIR /usr/src/myapp
 
 RUN apt-get update  \