Disconnect a SemsqlConn from its database
Examples
goref <- semsql_connect(ontology = "go")
#> Connected to SemanticSQL database: /home/vincent/.cache/R/BiocFileCache/b24227f056f7_go.db
#> Primary ontology prefix: GO
disconnect(goref)
#> Disconnected from 'b24227f056f7_go.db'