Implement MockRemoteTask.getNodeId()
Fix deadlock

Enabling node-scheduler.multiple-tasks-per-node-enabled could cause
tasks to get "lost"
Fix effective predicate extraction of UNION ALL
Add support for the json type to the client
Enable JDBC tests for NaN and infinity
Change JDBC shading
Fix fixValue to handle map keys correctly
Return arrays as java.sql.Array
Move ColumnInfo building methods to ColumnInfo
Add 0.78 release notes
Fix wrapping for release notes
Update release notes