Update e-mail address of maintainer in DESCRIPTION file (change to a personal e-mail address due to leaving the organization).
fabric_onelake_read_delta_table(): add experimental support for specifying
a Lakehouse schema name to read from a specific schema within a Lakehouse which
has Lakehouse schemas enabled.
fabric_livy_query() to run queries against the 'Fabric Livy API',
allowing remote execution of 'Spark' code.