Merge pull request #6493 from thaJeztah/28.x_backport_fix_alpine

[28.x backport] e2e: update openssh, openssl to work around openssh bug

e2e/testdata/Dockerfile.connhelper-ssh

@@ -7,8 +7,8 @@ ARG ENGINE_VERSION=28
 FROM docker:${ENGINE_VERSION}-dind
 
 # the openssh-client update is needed for security reasons when using docker:23.0-dind, currently maintained as an lts by mirantis
-RUN apk --no-cache upgrade openssh-client && \
-  apk --no-cache add shadow openssh-server && \
+RUN apk --no-cache add openssl openssh-client openssh-server shadow && \
+ apk --no-cache upgrade openssl openssh-client openssh-server &&  \
   # TODO(krissetto): `groupadd` can be removed once we only test against moby >= v24
   # see https://github.com/docker-library/docker/pull/470
   groupadd -f docker && \