chore(deps): update alpine docker tag to v3.24.2

Dockerfile

@@ -32,7 +32,7 @@ FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.9.0@sha256:c64defb9ed5a91eacb37f9
 # =============================================================================
 # Stage 1: Build Tailscale combined binary (cross-compiled, runs natively)
 # =============================================================================
-FROM --platform=$BUILDPLATFORM golang:1.27.1-alpine@sha256:cf6fca6641884b8433441b2b0652976f975e1d0fdd26d177eaaf8596087f3125 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.27.1-alpine@sha256:e9bbdf282b51ac8b34c46e5f31d2d56e7bad60366c35f08d2f295b921b13388b AS builder
 
 # renovate: datasource=github-releases depName=tailscale packageName=tailscale/tailscale versioning=semver
 ARG TAILSCALE_VERSION=v1.102.4
@@ -303,7 +303,7 @@ RUN printf '%s\n' \
 # only for this one lightweight probe step (busybox --help per applet), not
 # for the compile itself. The probe can alternatively be skipped by using
 # a pre-enumerated applet list, but the current approach is simpler.
-FROM --platform=$BUILDPLATFORM alpine:3.24.2@sha256:3cf95fe0816180395592b8373f3ec60663f076127617bbacb4eacf9667afe2e9 AS busybox
+FROM --platform=$BUILDPLATFORM alpine:3.24.2@sha256:294b683cb724975bec92580e1e685676bd4b50bda910ddb8c51d4cabeaec77e6 AS busybox
 
 # Copy xx cross-compilation helpers (xx-clang, xx-apk, xx-info, etc.)
 COPY --from=xx / /