Update files-changed.yaml

Author: RelativeSure

.github/workflows/files-changed.yaml

@@ -4,6 +4,7 @@ on:
   push:
     paths:
       - 'specs/*'
+
 jobs:
   notify:
     runs-on: ubuntu-latest
@@ -15,12 +16,14 @@ jobs:
         id: changes
         run: |
           git diff-tree --no-commit-id --name-only -r ${{ github.sha }} > changed_files.txt
-          echo "::set-output name=files::$(cat changed_files.txt)"
+          echo "FILES=$(cat changed_files.txt)" >> $GITHUB_ENV
         
       - name: Send Webhook for Each File
         run: |
-          for file in $(cat changed_files.txt); do
+          for file in $(echo $FILES); do
             filename=$(basename "$file")
             name_without_extension="${filename%.*}"
             curl -X POST "${{ secrets.WEBHOOK_URL }}/$name_without_extension" -d "{\"filename\":\"$name_without_extension\"}" -H "Content-Type: application/json"
-          done
+          done
+        env:
+          FILES: ${{ env.FILES }}