Update anti-malware-policies-configure.md

An addition about 'Microsoft 365 Dynamic membership groups in Microsoft Entra ID' -https://learn.microsoft.com/en-us/entra/identity/users/groups-dynamic-membership

Author: MithunRathinam

defender-office-365/anti-malware-policies-configure.md

@@ -78,7 +78,7 @@ You can configure anti-malware policies in the Microsoft Defender portal or in [
    - **Users**: The specified mailboxes, mail users, or mail contacts.
    - **Groups**:
      - Members of the specified distribution groups or mail-enabled security groups (dynamic distribution groups aren't supported).
-     - The specified Microsoft 365 Groups.
+     - The specified Microsoft 365 Groups (Microsoft 365 Dynamic membership groups in Microsoft Entra ID aren't supported).
    - **Domains**: All recipients in the organization with a primary email address in the specified [accepted domain](/exchange/mail-flow-best-practices/manage-accepted-domains/manage-accepted-domains).
 
      > [!TIP]