v3.18.0-beta.1

Blueprint Changes

• ember new diff
• ember addon diff

Changelog

• #9063 Fix typo in Blueprint documentation. @bartocc
• #9068 Adds link to CLI commands doc from README @entendu
• #9070 Fix a number of causes of unhandled rejections (and ensure tests fail when unhandled rejection occurs). @stefanpenner
• #9072 Ensure errors during build are properly reported to the console. @stefanpenner
• #9092 Update ember-source and ember-data to 3.18 betas. @rwjblue
• #9093 Migrate supported Node version detection to use GitHub Actions config. @rwjblue
• #9097 Update production dependencies to latest. @rwjblue