Updating Angular 5 to Angular 12, Do i need to change anything inside angular-cli.json file

Question

My company asks us to update the angular version 5.2 to angular 12.*. I am following the angular upgrade guide process. There are lot of package we are using in our application.

Q1. Other than naming angular-cli.json to angular.json is enough or do I need to do any changes inside JSON file.

Q2. We are using lot of dependency packages, How to get to know which version will be suitable for Angular 12.

List of Packages:

1. bootstrap
2. chart.js
3. concurrently
4. copy-webpack-plugin
5. core-js
6. font-awesome
7. fullcalendar
8. jquery
9. json-server
10. moment
11. node-sass
12. primeng
13. quill
14. rxjs
15. zone.js
16. ssri

there are lot of others are there, could you let me know where can i find compatible version of these dependencies for angular 12.