chore(deps): update base image

Author: renovate[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.21@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099 AS texlive-installer
+FROM alpine:3.21@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c AS texlive-installer
 
 # renovate: datasource=repology depName=alpine_3_21/bash versioning=loose
 ENV BASH_VERSION="5.2.37-r0"
@@ -19,7 +19,7 @@ ENV LIBSTDCPP_VERSION="14.2.0-r4"
 # renovate: datasource=repology depName=alpine_3_21/libx11 versioning=loose
 ENV LIBX11_VERSION="1.8.10-r0"
 # renovate: datasource=repology depName=alpine_3_21/musl versioning=loose
-ENV MUSL_VERSION="1.2.5-r8"
+ENV MUSL_VERSION="1.2.5-r9"
 # renovate: datasource=repology depName=alpine_3_21/perl versioning=loose
 ENV PERL_VERSION="5.40.1-r0"
 # renovate: datasource=repology depName=alpine_3_21/pixman versioning=loose