ESLint: Disable `no-undefined` rule
ESLint: Disable `no-undefined` rule

We use `undefined` a lot in this project so there is no point in having this rule enabled

glimmerjs/glimmer-vm,tildeio/glimmer,tildeio/glimmer,tildeio/glimmer,glimmerjs/glimmer-vm,glimmerjs/glimmer-vm