fix(curriculum): always passing test in Shopping cart step 5 (freeCodeCamp#55539)

Author: gikf

curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-basic-oop-by-building-a-shopping-cart/63ec1cb59f2a4c0be5b6dfa0.md

@@ -14,7 +14,7 @@ A shopping cart does not serve much purpose without products. Declare a `product
 You should declare a `products` variable with `const`.
 
 ```js
-assert.match(code, /const\s+products/);
+assert.match(code, /const\s+products\b/);
 ```
 
 You should set the `products` variable to an empty array.