Update username length for MSSQL
Update username length for MSSQL

lirao/vault,hartsock/vault,hashicorp/vault,joelthompson/vault,wjam/vault,wjam/vault,joelthompson/vault,quixoten/vault,MonsantoCo/vault,joelthompson/vault,rnaveiras/vault,hashicorp/vault,quixoten/vault,naunga/vault,hartsock/vault,kingland/vault,quixoten/vault,Aloomaio/vault,mgk/vault,hartsock/vault,quixoten/vault,Aloomaio/vault,Caiyeon/vault,hashicorp/vault,hashicorp/vault,deverton/hashicorp-vault,mgk/vault,hashicorp/vault,joelthompson/vault,ryon/vault,Caiyeon/vault,hartsock/vault,hashicorp/vault,lemondrank/vault,tallpauley/vault,ryon/vault,Aloomaio/vault,rnaveiras/vault,lirao/vault,MonsantoCo/vault,rnaveiras/vault,kingland/vault,kingland/vault,Aloomaio/vault,mgk/vault,hartsock/vault,kingland/vault,tallpauley/vault,naunga/vault,kingland/vault,rnaveiras/vault,rnaveiras/vault,lemondrank/vault,deverton/hashicorp-vault,mgk/vault