Update rules/integrations/azure/initial_access_azure_arc_cluster_credential_access_unusual_source.toml

Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>

Author: terrancedejesus

rules/integrations/azure/initial_access_azure_arc_cluster_credential_access_unusual_source.toml

@@ -17,7 +17,7 @@ that rotate IPs but maintain consistent identity-to-IP patterns over time.
 false_positives = [
     """
     A service principal used by a CI/CD pipeline may trigger this rule when the pipeline runs from a new IP range for
-    the first time (e.g., migrating to a new runner pool). The 14-day history window will learn the new IPs after the
+    the first time (e.g., migrating to a new runner pool). The 7-day history window will learn the new IPs after the
     first occurrence.
     """,
     """