Add AVIF as an image type and Fix a false JSError metric reports

This release brings two changes from @gmetais and up-to-date Chromium version.

What's Changed

• bump puppeteer to v20.8.1 by @macbre in #1293
• bump puppeteer to v20.8.3 by @macbre in #1297
• bump puppeteer to v20.9.0 by @macbre in #1298
• Add AVIF as an image type by @gmetais in #1299
• Fix a false JSError reported by Phantomas by @gmetais in #1296

Full Changelog: v2.8.0...v2.9.0