Update AESCBC.java

Adding Neha's fix

src/main/java/com/mastercard/developer/encryption/aes/AESCBC.java

@@ -15,8 +15,6 @@ public class AESCBC {
     private AESCBC() {
     }
 
-    private static final String CYPHER = "AES/CBC/NoPadding";
-
     @java.lang.SuppressWarnings("squid:S3329")
     public static byte[] decrypt(Key secretKey, JweObject object) throws GeneralSecurityException {
         // First 16 bytes are the MAC key, so we only use the second 16 bytes
@@ -33,7 +31,7 @@ public static byte[] decrypt(Key secretKey, JweObject object) throws GeneralSecu
     }
 
     public static byte[] cipher(Key key, AlgorithmParameterSpec iv, byte[] bytes, int mode) throws GeneralSecurityException {
-        Cipher cipher = Cipher.getInstance(CYPHER);
+        Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
         cipher.init(mode, key, iv);
         return cipher.doFinal(bytes);
     }