Build is circumventing type checking

[asakusuma]

If you turn on noImplicitAny in tsconfig, you get a bunch of error TS7016: Could not find a declaration file for module... errors. Turns out, the typings references in a bunch of the glimmer packages are broken (fix pr). If you fix the typings references, then you get a bunch of type errors.

A sample typescript error:

ERROR in /Users/akusuma/workspace/opensource/hello-glimmer/node_modules/@glimmer/component/dist/types/component-manager.d.ts
(7,22): error TS2420: Class 'ComponentManager' incorrectly implements interface 'ComponentManager<Component>'.
  Types of property 'prepareArgs' are incompatible.
    Type '(definition: ComponentDefinition, args: EvaluatedArgs) => EvaluatedArgs' is not assignable to type '(definition: ComponentDefinition<Component>, args: EvaluatedArgs, dynamicScope: DynamicScope) => ...'.
      Types of parameters 'definition' and 'definition' are incompatible.
        Type 'ComponentDefinition<Component>' is not assignable to type 'ComponentDefinition'.
          Types of property 'manager' are incompatible.
            Type 'ComponentManager<Component>' is not assignable to type 'ComponentManager'.
              Property 'env' is missing in type 'ComponentManager<Component>'.