rename paths in workflow

Author: bnjmnbrmmr

.github/workflows/build-image-octane.yaml

@@ -4,11 +4,11 @@ on:
   pull_request:
     paths:
       - ".github/**"
-      - "debian/**"
+      - "octane/**"
   push:
     paths:
       - ".github/**"
-      - "debian/**"
+      - "octanes/**"
 
 env:
   REGISTRY_IMAGE: invoiceninja/invoiceninja-octane