fix(core): remove warning "Project 'xxx' contains extension with invalid name (type)." (#831)

Fixes Nx warning `Project 'xxx' contains extension with invalid name (type).`

Author: edbzn

packages/core/src/graph/create-nodes.ts

@@ -141,7 +141,7 @@ export const createNodes: CreateNodesCompat<NxDotnetConfigV2> = [
         [name]: {
           name,
           root,
-          type: 'lib',
+          projectType: 'library',
           targets: registerProjectTargets(file, options),
           tags: options.tags,
         },