refactor: fix lint

Author: BioPhoton

nx.json

@@ -336,7 +336,7 @@
   },
   "plugins": [
     {
-      "plugin": "@code-pushup/nx-plugin"
+      "plugin": "node_modules/@code-pushup/nx-plugin/src/index.js"
     },
     {
       "plugin": "@push-based/nx-verdaccio",

packages/nx-plugin/src/plugin/index.ts

@@ -1,4 +1,4 @@
-import { NxPlugin } from '@nx/devkit';
+import type { NxPlugin } from '@nx/devkit';
 import { createNodesV2 } from './plugin.js';
 
 export { createNodes, createNodesV2 } from './plugin.js';