PST needs a manifest.
In the past we have had a spreadsheet with the build dependencies.

See https://docs.google.com/spreadsheets/d/1A5hjmKiEozHEKtOHkGSP__0jjIbnKNx16xPlVNHKVDs/edit#gid=0 for what was done for RH-SSO 7.0.

See https://docs.google.com/spreadsheets/d/1ag0d20D92k1PN03Cd0G-FYowFQc5Rq24aLXFakOIS5o/edit#gid=1738626799 for RH-SSO 7.1.0.