Bug#1024631: gitlab: preinst: invalid number 9.1

[Kurt Roeckx]

Package: gitlab
Version: 15.4.2+ds1-1~fto11+3

On install I get:
/var/lib/dpkg/tmp.ci/preinst: 7 [: Illagal number: 9.1

I have several postgresql clusters, 9.1, 9.6, 12, 14. Not all of them
are used. 9.1 is using port 5432.


Kurt