chore(deps): Update dependency destination-postgresql to v8.7.4 (#632)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [destination-postgresql](https://hub.cloudquery.io) | patch | `v8.7.3` -> `v8.7.4` |

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example_configs/spec.yml

@@ -10,6 +10,6 @@ kind: destination
 spec:
   name: 'postgresql'
   path: 'cloudquery/postgresql'
-  version: 'v8.7.3' # latest version of postgresql plugin
+  version: 'v8.7.4' # latest version of postgresql plugin
   spec:
     connection_string: 'postgresql://postgres:pass@localhost:5432/postgres?sslmode=disable'