Features
- jest: update to jest 26.6.1 (aafb1a3)
- prerender: do not inline external styles by default (044aa96)
- puppeteer: update to puppeteer 5.4.1 (cf8847b)
- rollup: update to rollup 2.32.1 (83236f9)
- terser: update to terser 5.3.8 (46a0207)
- typescript: update to typescript 4.0.5 (0ca07a1)