Add explicit error on Windows

lib/upload-sarif-action-post.js

@@ -127577,6 +127577,9 @@ async function scanArchiveFile(archivePath, relativeArchivePath, extractDir, log
       `Maximum archive extraction depth (${MAX_DEPTH}) reached for ${archivePath}`
     );
   }
+  if (process.platform === "win32") {
+    throw new Error("Scanning archives is not supported on Windows.");
+  }
   const result = {
     scannedFiles: 0,
     findings: []