Enable unicorn/prefer-number-properties (#9935)

src/document/doc-debug.js

@@ -74,7 +74,7 @@ function printDoc(doc) {
   }
 
   if (doc.type === "align") {
-    return doc.n === -Infinity
+    return doc.n === Number.NEGATIVE_INFINITY
       ? "dedentToRoot(" + printDoc(doc.contents) + ")"
       : doc.n < 0
       ? "dedent(" + printDoc(doc.contents) + ")"