Use GrainDirectoryCacheFactory to construct a IGrainDirectoryCache #2355

Job	Run time
Azure Storage provider tests	0s
Azure Cosmos DB provider tests	0s
Consul provider tests (Consul)	5m 35s
Build (ubuntu-latest)	2m 11s
AWS DynamoDB provider tests (DynamoDB)	5m 49s
Build (windows-latest)	3m 59s
PostgreSQL provider tests (PostgreSql)	3m 8s
MariaDB/MySQL provider tests (MySql)	2m 44s
Microsoft SQL Server provider tests (SqlServer)	3m 7s
Redis provider tests (Redis)	3m 57s
ZooKeeper provider tests (ZooKeeper)	2m 29s
	32m 59s

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