style: fix indentation in IterativeBinarySearch

Author: KadambariSuresh

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

@@ -34,8 +34,8 @@ public final class IterativeBinarySearch implements SearchAlgorithm {
     @Override
     public <T extends Comparable<T>> int find(T[] array, T key) {
         if (array == null || array.length == 0 || key == null) {
-    return -1;
-}
+        return -1;
+        }
 
         int left = 0;
         int right = array.length - 1;