v40.0.0

Bug Fixes

• Incorrect case README (#1706) (3e17bd8)
• samples: fix readline args in youtube upload (#1676) (3db63d6)

Build System

• upgrade engines field to >=8.10.0 (#1691) (8428d5c)

Features

• run the generator (#1680) (6d5a9c8)
• run the generator (#1709) (6817c39)

BREAKING CHANGES

• This release has a few breaking changes.

• Node.js 8.x is now the minimum required version
• The healthcare/v1alpha API has been removed
• Uses google-auth-library 4.0

• upgrade engines field to >=8.10.0 (#1691)