Essentially, without this extra line any migrations that would create new tables will fall flat
Heroku defaults to creating postgres 15 dbs, so it makes sense for us to stay up to date by developing on pg15 locally as well. Script should not affect existing pg 14 permissions.
What this does
Postgres 15 changes how create permissions work and makes them more strict: https://www.enterprisedb.com/blog/new-public-schema-permissions-postgresql-15
Essentially, without this extra line any migrations that would create new tables will fall flat
Heroku defaults to creating postgres 15 dbs, so it makes sense for us to stay up to date by developing on pg15 locally as well. Script should not affect existing pg 14 permissions.