Update dependency @aureooms/js-error to v4

• 🔍 test: Check errors are instanceof Error. 58fe8ae
• 😒 chore: Lock dependencies. 4f95108
• 🎨 style(package.json): Run fixpack. 25198fa
• 😒 chore(deps): Upgrade. 533003a
• 😒 chore(deps-dev): Remove obsolete packages. 8207514
• ⚙️ ci: Upgrade travis config. 34f83b3
• ⚙️ ci: Upgrade renovate config. 8dcd9c4
• 😒 chore: Upgrade git ignore config. dd6c797
• 😒 chore: Remove generated files. fffa433
• 😒 chore: Add release script. 041969a
• 😒 chore(deps-dev): Upgrade nyc. da02163
• 😒 chore(package.json): Set .files = ["lib"]. dac17be
• 😒 chore(package.json): prepublish -> prepare. b03f1f9
• 🔍 test: Upgrade ava. 7d2420c
• 😒 chore(deps-dev): Upgrade babel packages. fd65120
• 📚 docs: Upgrade. 2b4da96
• 😒 chore: Upgrade README badges. 6fd1bec
• 😒 chore(deps-dev): Upgrade tool set. a8d9119
• Update dependency ava to v0.25.0 ae26faa
• :bored: chore(renovate.json): enable automated merging 3b4b238
• Update dependency @aureooms/js-error to v4 (#6) c2a47fc
• Pin dependencies (#5) 72bb109
• Add renovate.json (#4) 54cfb1b
• Update README.md 61e7178
• base64 is done 06d3e1e
• Update README.md dccbfab

v2.0.0...v3.0.0