test: Update kernel config package to latest alpine base
-FROM linuxkit/alpine:cba395fbc278daee841106801aba1e1bd7e0f2f7 AS mirror
+FROM linuxkit/alpine:96ad1eb5ec262b4cd0eef574cdc0b225b502d9ee 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
