Update browserslist browsers

Problem/Motivation

Drupal 8.8.0 has a new browser support policy #2390621: [policy, no patch] Update Drupal's browser support policy. According to the policy, Drupal can start using any given browser feature after it's supported by all browsers.

Proposed resolution

Update browserslist with the browsers listed in the new browser support policy.

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet