Hangfire.SqlServer 1.4.5

https://github.com/HangfireIO/Hangfire/releases 1.4.3 * Fixed – SQL Server storage does not work with case-sensitive and binary collations (by @ilessa). * Fixed – "Incorrect syntax near 'MERGE'" error in `CountersAggregator` component. 1.4.0 * Added – Ability to pass isolation level to use in transactions, default is `serializable`. * Added – Make the expiration check interval configurable (by @travisblakeney). * Changed – Use read committed or parent transaction isolation level instead of `serializable`. * Changed – Automatically aggregate records in `Hangfire.Counter` table. * Changed – Add indexes to prevent blocking rows by Expiration Manager. * Changed – Remove the `with tablock` hint from the expiration cleanup (by @travisblakeney). * Changed – Don't pass IsolationLevel to TransactionScope by default. * Changed – Coarse grained locks for Hash, List and Set tables to prevent deadlocks. * Fixed – Retry on deadlocks during automatic migration on server restart.