[6.6] ce2a4a2f8 Install sudo on alpine

[Martin Blix Grydeland]

commit ce2a4a2f828272fc48a57de21c955095465efeaf
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Fri Jul 2 14:47:45 2021 +0200

    Install sudo on alpine

diff --git a/.circleci/make-apk-packages.sh b/.circleci/make-apk-packages.sh
index 26b672c2c..a8b678f8f 100755
--- a/.circleci/make-apk-packages.sh
+++ b/.circleci/make-apk-packages.sh
@@ -2,7 +2,7 @@
 
 set -eux
 
-apk add -q --no-progress --update tar alpine-sdk
+apk add -q --no-progress --update tar alpine-sdk sudo
 
 echo "PARAM_RELEASE: $PARAM_RELEASE"
 echo "PARAM_DIST: $PARAM_DIST"