Comment 1 for bug 1961127

autopkgtest results for postgresql-13 are good:

Results from https://autopkgtest.ubuntu.com/results/autopkgtest-impish-ci-train-ppa-service-4785/?format=plain:
  postgresql-13 @ amd64:
    17.02.22 17:03:57 Log 🗒️ ✅ Triggers: ['postgresql-13/13.6-0ubuntu0.21.10.1~ppa1']
  postgresql-13 @ arm64:
    17.02.22 17:15:12 Log 🗒️ ✅ Triggers: ['postgresql-13/13.6-0ubuntu0.21.10.1~ppa1']
  postgresql-13 @ armhf:
    17.02.22 16:55:24 Log 🗒️ ✅ Triggers: ['postgresql-13/13.6-0ubuntu0.21.10.1~ppa1']
  postgresql-13 @ ppc64el:
    17.02.22 16:47:06 Log 🗒️ ✅ Triggers: ['postgresql-13/13.6-0ubuntu0.21.10.1~ppa1']
  postgresql-13 @ s390x:
    17.02.22 16:47:00 Log 🗒️ ✅ Triggers: ['postgresql-13/13.6-0ubuntu0.21.10.1~ppa1']

I am working on creating gbp repositories for the postgresql-{10,12,13,14} packages; once that is done, I will file an MP to update postgresql-13.