gitlab: use ssh.gitlab.freifunk-stuttgart.de for ssh git access

gitlab-known-hosts

 [gitlab.freifunk-stuttgart.de]:22220 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGNCe5DNM3hGY+oEy5JeGjCDg68YrpjFivgxIAuFvhJkRdPPQpnOURuXFt/wQ0PCF/MZHVLPKwSLEfI3pkQRAg2bLyXFnLMlaaC2Q+9eZoQ6K2+NFWlKiVd3EmYGMt2USFfgFiHKeA4NNhvqtINj5pk1usFRCuUYfAegIVQl+vIvW7rpdK68Y33MGPrP81XD0E7TpasQnqnxVIaTe+QG3oNlPCToE6e8sZij3lwKGmR0gopbvUjXjuY7SCIbzEwzNET+olVfVHWMlDwuzM8tUOSbOSg6mX+I1gTJXndxdGl/dSsI9HXAe1HAa3B7zN+SDwcz+ySxsAgS8loyJMT2SD
 [gitlab.freifunk-stuttgart.de]:22220 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJPXKTRXP1BULVuiWD92F3VdNDLkNV3B7Dv7hb9/PVsCVZnH+s6lsdqYZZL/7QvzyqB/eOlXRs5PE/opGkS84Qw=
 [gitlab.freifunk-stuttgart.de]:22220 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCt1kYnQIF17lAw7kRBAZOJFOS67ZQpBPsq79srBpwu
+[ssh.gitlab.freifunk-stuttgart.de]:22220 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGNCe5DNM3hGY+oEy5JeGjCDg68YrpjFivgxIAuFvhJkRdPPQpnOURuXFt/wQ0PCF/MZHVLPKwSLEfI3pkQRAg2bLyXFnLMlaaC2Q+9eZoQ6K2+NFWlKiVd3EmYGMt2USFfgFiHKeA4NNhvqtINj5pk1usFRCuUYfAegIVQl+vIvW7rpdK68Y33MGPrP81XD0E7TpasQnqnxVIaTe+QG3oNlPCToE6e8sZij3lwKGmR0gopbvUjXjuY7SCIbzEwzNET+olVfVHWMlDwuzM8tUOSbOSg6mX+I1gTJXndxdGl/dSsI9HXAe1HAa3B7zN+SDwcz+ySxsAgS8loyJMT2SD
+[ssh.gitlab.freifunk-stuttgart.de]:22220 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJPXKTRXP1BULVuiWD92F3VdNDLkNV3B7Dv7hb9/PVsCVZnH+s6lsdqYZZL/7QvzyqB/eOlXRs5PE/opGkS84Qw=
+[ssh.gitlab.freifunk-stuttgart.de]:22220 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKCt1kYnQIF17lAw7kRBAZOJFOS67ZQpBPsq79srBpwu

update-gluon-experimental.sh

@@ -4,9 +4,9 @@ set -x
 set -eu
 set -o pipefail
 
-gluon_fork_git_url="ssh://git@gitlab.freifunk-stuttgart.de:22220/firmware/gluon.git"
+gluon_fork_git_url="ssh://git@ssh.gitlab.freifunk-stuttgart.de:22220/firmware/gluon.git"
 gluon_upstream_git_url="https://github.com/freifunk-gluon/gluon.git"
-site_git_url="ssh://git@gitlab.freifunk-stuttgart.de:22220/firmware/site-ffs.git"
+site_git_url="ssh://git@ssh.gitlab.freifunk-stuttgart.de:22220/firmware/site-ffs.git"
 
 git clone "$gluon_fork_git_url" gluon
 cd gluon

update-gluon.sh

@@ -7,9 +7,9 @@ set -o pipefail
 gluon_major="v2021.1"
 site_branch="v2.4"
 
-gluon_fork_git_url="ssh://git@gitlab.freifunk-stuttgart.de:22220/firmware/gluon.git"
+gluon_fork_git_url="ssh://git@ssh.gitlab.freifunk-stuttgart.de:22220/firmware/gluon.git"
 gluon_upstream_git_url="https://github.com/freifunk-gluon/gluon.git"
-site_git_url="ssh://git@gitlab.freifunk-stuttgart.de:22220/firmware/site-ffs.git"
+site_git_url="ssh://git@ssh.gitlab.freifunk-stuttgart.de:22220/firmware/site-ffs.git"
 
 upstream_newest_minor=$(git ls-remote --tags --refs "$gluon_upstream_git_url" "refs/tags/$gluon_major*" | cut -d/ -f3 | sort -r -n -t. -k2 | head -n1)
 # branch name in our forked gluon