fix: capture groups for each statements

improve capture group regex for `each` statements using a greedy match.

fixes pugjs#3263

Author: error418

packages/pug-lexer/index.js

@@ -1082,7 +1082,7 @@ Lexer.prototype = {
 
   eachOf: function() {
     var captures;
-    if ((captures = /^(?:each|for) (.*) of *([^\n]+)/.exec(this.input))) {
+    if ((captures = /^(?:each|for) (.*?) of *([^\n]+)/.exec(this.input))) {
       this.consume(captures[0].length);
       var tok = this.tok('eachOf', captures[1]);
       tok.value = captures[1];