Upgrade to Angular 13

[mraible]

The size is a little concerning.

Initial Chunk Files   | Names         |      Size
vendor.js             | vendor        |   4.93 MB
polyfills.js          | polyfills     | 957.30 kB
styles.css, styles.js | styles        | 951.00 kB
main.js               | main          |  51.44 kB
runtime.js            | runtime       |   6.86 kB

                      | Initial Total |   6.85 MB