update to angular 15

Author: Enngage

README.md

@@ -318,5 +318,5 @@ Versions > 5 represent completely rewrite of the library and switch to latest Pa
 Under `projects\ngx-paypal-lib` run 
 
 ```
-npm run publish-lib
+npm run publish:lib
 ```

docs/index.html

@@ -29,6 +29,6 @@
   <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
   <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script>
 
-<script src="runtime.3378f197180c9c92.js" type="module"></script><script src="polyfills.1600a5e92645cf52.js" type="module"></script><script src="main.bf7b73dcaeab2070.js" type="module"></script>
+<script src="runtime.3378f197180c9c92.js" type="module"></script><script src="polyfills.7b7f265bcc95a544.js" type="module"></script><script src="main.fb05410867219474.js" type="module"></script>
 
 </body></html>