v2.0.0

What's Changed

• Bump json5 from 1.0.1 to 1.0.2 by @dependabot in #43
• Bump engine.io and socket.io by @dependabot in #44
• Bump word-wrap from 1.2.3 to 1.2.5 by @dependabot in #42
• Bump http-cache-semantics from 4.1.0 to 4.1.1 by @dependabot in #41
• Bump ua-parser-js from 0.7.31 to 0.7.35 by @dependabot in #40
• Update dev deps by @dgreif in #45
• Bump got from 11.8.3 to 11.8.6 by @dependabot in #46
• Drop redundant polyfills by @keithamus in #37
• add checkVisibility by @keithamus in #47

Full Changelog: v1.4.2...v2.0.0