Update algorithms/greedy/assign_cookies/README.md

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: BrianLusina

algorithms/greedy/assign_cookies/README.md

@@ -11,7 +11,7 @@ Your goal is to maximize the number of your content children and output the maxi
 
 - 1 <= greed.length <= 3 * 104
 - 0 <= cookies.length <= 3 * 104
-- 1 <= greed[i], cookies[j] <= 231 - 1
+- 1 <= greed[i], cookies[j] <= 2^31 - 1
 
 ## Examples