PostrgreSQL datastores do not timeout on initialization

[vroldanbet]

If PostgreSQL datastores are initialized on an unreachable/unresponsive database backend, the initialization hangs indefinitely, and the spicedb process wont report becoming healthy.

We can see this is caused by a missing deadline:

https://github.com/authzed/spicedb/blob/26d13e56948492537e02501c8d018e0def5ad204/internal/datastore/crdb/crdb.go#L92-L95

[vroldanbet]

This should be addressed for CRDB as of https://github.com/authzed/spicedb/pull/1042

[josephschorr]

@vroldanbet is this complete as of https://github.com/authzed/spicedb/blob/main/internal/datastore/postgres/postgres.go#L160?

[vroldanbet]

@josephschorr yup!