_ci-linux-debian.sh: install ssh

No longer part of the minimal image, it seems.

Author: vszakats

_ci-linux-debian.sh

@@ -106,7 +106,7 @@ fi
 apt-get --option Dpkg::Use-Pty=0 --yes update
 # shellcheck disable=SC2086
 apt-get --option Dpkg::Use-Pty=0 --yes install --no-install-suggests --no-install-recommends \
-  curl ca-certificates git gpg gpg-agent rsync python3-pefile make cmake ninja-build \
+  ssh curl ca-certificates git gpg gpg-agent rsync python3-pefile make cmake ninja-build \
   libssl-dev zlib1g-dev \
   zip xz-utils time jq secure-delete ${extra}