[Fix] workflow(owner-notification): fix workflow error

Signed-off-by: samzong <[email protected]>

Author: samzong

.github/workflows/owner-notification.yml

@@ -23,12 +23,19 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v46
+        uses: actions/github-script@v7
         with:
-          files: |
-            **/*
-          base_sha: ${{ github.event.pull_request.base.sha }}
-          sha: ${{ github.event.pull_request.head.sha }}
+          result-encoding: string
+          script: |
+            // Retrieve changed files via GitHub API to avoid relying on fork refs
+            const files = await github.paginate(github.rest.pulls.listFiles, {
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number,
+              per_page: 100,
+            });
+            const filenames = files.map(f => f.filename);
+            core.setOutput('all_changed_files', filenames.join(' '));
 
       - name: Find owners and notify
         uses: actions/github-script@v7
@@ -51,9 +58,9 @@ jobs:
                  const ownerPath = path.join(firstLevelDir, 'OWNER');
                  if (fs.existsSync(ownerPath)) {
                    const content = fs.readFileSync(ownerPath, 'utf8');
-                   const owners = content.split('\n')
-                     .filter(line => line.trim().startsWith('@'))
-                     .map(line => line.trim());
+                  const owners = content.split('\n')
+                    .filter(line => line.trim().startsWith('@'))
+                    .map(line => line.trim());
                    if (owners.length > 0) {
                      return { path: firstLevelDir, owners };
                    }