Function cleanup

packages/sql/pg/src/PgClient.ts:312–316

(cause?: Error)

            resume(Effect.fail(new SqlError({ reason: classifyError(cause, "Connection error", "acquireConnection") })))
          }
          function cleanup(cause?: Error) {
            if (!done) client?.release(cause)
            done = true
            client?.off("error", onError)
          }
          pool.connect((cause, client_) => {
            if (cause) {
              return resume(