Add database upgrade script to dim_inventory table

Add new columns to data warehouse functions
2 jobs for issue/67 in 1 minute and 52 seconds (queued for 1 second)
Name Stage Failure
failed
run_test Test
            ^
ERROR.
ERROR while creating function. You might want to fix it and run ./upgrade.sh --functions-only.
$ grep ERROR output.txt > teste || true;
$ if [ -s teste ]; then { cat teste; exit 1; }; else exit 0;fi
psql:./functions/dw/002-dim_inventory.sql:190: ERROR: syntax error at or near "inv_row"
ERROR.
ERROR while creating function. You might want to fix it and run ./upgrade.sh --functions-only.
ERROR: Job failed: exit code 1