Update rat.yaml

Author: DaanHoogland

.github/workflows/rat.yaml

@@ -30,15 +30,13 @@ jobs:
 
       - name: Create exception list
         run: |
-          cat << EOF >exception.lst
-./exception.lst
-./CHANGES.md
-./go.sum
-./rat-report.txt
-./apache-rat-0.16.1/**
-./snap/snapcraft.yaml
-./vedor/**
-EOF
+          echo ./exception.lst >exception.lst
+          echo ./CHANGES.md >>exception.lst
+          echo ./go.sum >>exception.lst
+          echo ./rat-report.txt >>exception.lst
+          echo ./apache-rat-0.16.1/** >>exception.lst
+          echo ./snap/snapcraft.yaml >>exception.lst
+          echo ./vedor/** >>exception.lst
 
       - name: Run RAT
         run: |