Bump alpine base across the board.

By running:

    ./scripts/update-component-sha.sh --image linuxkit/alpine ad35b6ddbc70faa07e59a9d7dee7707c08122e8d

Signed-off-by: Ian Campbell <ijc@docker.com>

test/cases/020_kernel/010_kmod_4.9.x/Dockerfile

@@ -6,7 +6,7 @@
 FROM linuxkit/kernel:4.9.53 AS ksrc
 
 # Extract headers and compile module
-FROM linuxkit/alpine:f4f5b333fa1a8433334fcae996d1637173144a72 AS build
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS build
 RUN apk add build-base
 
 COPY --from=ksrc /kernel-dev.tar /

test/pkg/containerd/Dockerfile

@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:28254e4530703db4caa6b0199a025c30a987dfa1 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 # btrfs-progfs is required for btrfs test (mkfs.btrfs)
 # util-linux is required for btrfs test (losetup)

test/pkg/docker-bench/Dockerfile

@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     alpine-baselayout \

test/pkg/kernel-config/Dockerfile

@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out alpine-baselayout busybox musl bash

test/pkg/ns/Dockerfile

@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     alpine-baselayout \
@@ -8,7 +8,7 @@ RUN apk add --no-cache --initdb -p /out \
     musl
 RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
 
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS build
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS build
 RUN apk add --no-cache \
     build-base \
     git \

test/pkg/poweroff/Dockerfile

@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out alpine-baselayout busybox musl
 RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache

test/pkg/virtsock/Dockerfile

@@ -1,10 +1,10 @@
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS mirror
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     tini
 RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
 
-FROM linuxkit/alpine:87a0cd10449d72f374f950004467737dbf440630 AS build
+FROM linuxkit/alpine:ad35b6ddbc70faa07e59a9d7dee7707c08122e8d AS build
 
 RUN apk add --no-cache go musl-dev git make
 ENV GOPATH=/go PATH=$PATH:/go/bin