Update ProcessEntropy.txt

Hunting Queries/SecurityEvent/ProcessEntropy.txt

@@ -73,3 +73,5 @@ Results | join kind= inner (
 ) on Computer, Process
 | project TimeGenerated, EventID, Computer, SubjectUserSid, Account, Weight, ProcessEntropy, Process, NewProcessName, CommandLine, ParentProcessName, TotalProcessCountOnHost, ProcessCountOnHost, DistinctComputersWithProcessCount
 | sort by Weight asc, ProcessEntropy asc, NewProcessName asc
+| extend HostCustomEntity = Computer
+| extend AccountCustomEntity = Account