Add 'unknownFutureValue' to agentic enums

Author: FaithOmbongi

api-reference/beta/resources/enums-agentic.md

@@ -19,9 +19,9 @@ Namespace: microsoft.graph.agentic
 |notAgentic|
 |agenticApp|
 |agenticAppInstance|
+|unknownFutureValue|
 |agentIdentityBlueprintPrincipal|
 |agentIDuser|
-|unknownFutureValue|
 
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