fix: exclude additional databases

[cofin]

database-assessment/scripts/collector/postgres/collect-data.sh

Line 299 in dfd06fe

SELECT datname FROM pg_database WHERE datname NOT LIKE 'template%' ORDER BY datname;

[cofin]

It should at least include the following: 'template0', 'template1', 'rdsadmin', 'cloudsqladmin', 'alloydbadmin', 'alloydbmetadata', 'azure_maintenance', 'azure_sys'