Update dependency @ampproject/toolbox-optimizer to v2.4.0

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@ampproject/toolbox-optimizer	devDependencies	minor	2.3.1 -> 2.4.0

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Release Notes

ampproject/amp-toolbox

v2.4.0

Compare Source

🐛 Bug Fix

• optimizer
  • #​770 Fix postinstall failing on windows (@​sebastianbenz)
• optimizer
  • #​753 Fix typos in parameter documentation (@​schlessera)

🚀 Enhancement

• core, optimizer
  • #​747 Optimizer: cache runtime artifacts on filesystem (@​sebastianbenz)
• linter
  • #​755 Added og:image and alt text checks to linter for Stories (@​Dbrown910)

📝 Documentation

• optimizer
  • #​752 Add missing command name to CLI documentation (@​matthiasrohmer)

🏠 Internal

• Other
  • #​751 Update dependency rollup to v2.8.0 (@​renovate-bot)
  • #​749 Update dependency fetch-mock to v9.5.0 (@​renovate-bot)
• lighthouse-plugin-amp, linter
  • #​750 Update dependency amphtml-validator to v1.0.31 (@​renovate-bot)
• optimizer
  • #​748 Update dependency @​ampproject/toolbox-optimizer to v2.3.1 (@​renovate-bot)

Committers: 4

• Alain Schlesser (@​schlessera)
• Damani (@​Dbrown910)
• Matthias Rohmer (@​matthiasrohmer)
• Sebastian Benz (@​sebastianbenz)

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