Fix trailing spaces in BinarySearch documentation

Author: prashantpiyush1111

src/main/java/com/thealgorithms/searches/BinarySearch.java

@@ -22,7 +22,7 @@
  * try - Average-case time complexity: O(log n) - Most common scenario - Worst-case time
  * complexity: O(log n) - Element not found or at extreme end - Space complexity: O(1) - Only uses
  * a constant amount of extra space
- * 
+ *
  * <p><strong>Edge Cases:</strong>
  * <ul>
  *   <li>Empty array: Returns -1</li>