Ignore CPD file

Author: MGatner

.github/workflows/test-phpcpd.yml

@@ -40,4 +40,4 @@ jobs:
       - name: Detect code duplication
         run: |
             sudo phive --no-progress install --global --trust-gpg-keys 4AA394086372C20A phpcpd 
-            phpcpd --exclude system/Test --exclude system/ThirdParty --exclude system/Database/SQLSRV/Builder.php app/ public/ system/
+            phpcpd --exclude system/Test --exclude system/ThirdParty --exclude system/Database/SQLSRV/Builder.php system/Database/SQLSRV/Forge.php app/ public/ system/