chore(deps): update dependency unimport to v3 (#260)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -64,7 +64,7 @@
     "pathe": "^1.0.0",
     "pkg-types": "^1.0.1",
     "ufo": "^1.0.0",
-    "unimport": "^2.0.0"
+    "unimport": "^3.0.0"
   },
   "devDependencies": {
     "@nuxt/module-builder": "0.2.1",