software/gitlab: use shorter paths for gitaly sockets

When running resilience tests we have too deep paths:

    time="2024-01-24T01:32:14+01:00" level=fatal msg="load config" config_path=/srv/slapgrid/slappart22/t/eeq/i/0/tmp/inst/T2/srv/runner/instance/slappart0/etc/gitaly-config.toml error="socket could not be created in /srv/slapgrid/slappart22/t/eeq/i/0/tmp/inst/T2/srv/runner/instance/slappart0/var/gitaly/sockets/internal: listen unix /srv/slapgrid/slappart22/t/eeq/i/0/tmp/inst/T2/srv/runner/instance/slappart0/var/gitaly/sockets/internal/test-0c5c65ff.sock: bind: invalid argument"

software/gitlab/buildout.hash.cfg

@@ -54,7 +54,7 @@ md5sum = 58e3d5bbda32583d00cd8f44ec0525b0
 
 [instance-gitlab.cfg.in]
 _update_hash_filename_ = instance-gitlab.cfg.in
-md5sum = 8e5b0ddb1b79679b4162f302aa438b62
+md5sum = 51e85c1e8e77bd7a872a9ddb3fabb893
 
 [instance-gitlab-export.cfg.in]
 _update_hash_filename_ = instance-gitlab-export.cfg.in

software/gitlab/instance-gitlab.cfg.in

@@ -171,7 +171,7 @@ mode    = 0700
 recipe  = slapos.cookbook:mkdirectory
 gitaly  = ${directory:var}/gitaly
 sockets = ${:gitaly}/sockets
-internal = ${:sockets}/internal
+internal = ${directory:var}/int
 log     = ${directory:log}/gitaly
 
 [gitaly]