build(deps): update alpine docker tag to v3.24.3 (#13544)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [alpine](https://hub.docker.com/_/alpine)
([source](https://redirect.github.com/alpinelinux/docker-alpine)) |
final | patch | `3.24.2` → `3.24.3` |

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internal/suites/example/compose/pam/Dockerfile

@@ -36,7 +36,7 @@ set -eu
 make -C shim
 EOF
 
-FROM alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
+FROM alpine:3.24.3@sha256:1b7232cda4ca3dc20b5d1247bdc9bfb631f2661d15d323bdd6fccc035ed1a9e7
 
 RUN <<EOF
 set -eu

internal/suites/example/compose/samba/Dockerfile

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-FROM alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6
+FROM alpine:3.24.3@sha256:1b7232cda4ca3dc20b5d1247bdc9bfb631f2661d15d323bdd6fccc035ed1a9e7
 
 RUN \
 echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/main" >> /etc/apk/repositories && \