Apply clang-format for CI compliance

Author: ritesh-mohapatra

src/main/java/com/thealgorithms/recursion/Josephus.java

@@ -15,6 +15,9 @@
  */
 public final class Josephus {
 
+    private Josephus() {
+        // prevent instantiation
+    }
     /**
      * Returns the 1-based position of the survivor for given n and k.
      *

src/test/java/com/thealgorithms/recursion/JosephusTest.java

@@ -1,11 +1,11 @@
 package com.thealgorithms.recursion;
 
-import java.io.ByteArrayOutputStream;
-import java.io.PrintStream;
-
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
 import org.junit.jupiter.api.Test;
 
 /**