Fix condition in protected file check (#32215)

.github/workflows/protected-files.yaml

@@ -32,7 +32,7 @@ jobs:
           $protectedFiles = @("package.json", "package-lock.json", ".github/*", "eng/*")
           $changedFiles = @(Get-ChangedFiles -baseCommitish HEAD^ -targetCommitish HEAD -diffFilter "")
 
-          $matchedFiles = @($changedFiles | Where-Object { $changedFile = $_; $protectedFiles | ForEach-Object { $changedFile -like $_ } })
+          $matchedFiles = @($changedFiles | Where-Object { $changedFile = $_; $protectedFiles | Where-Object { $changedFile -like $_ } })
 
           if ($matchedFiles.Count -gt 0) {
             foreach ($file in $matchedFiles) {