chore(deps): update pnpm to v7 (#5)

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

package.json

@@ -1,7 +1,7 @@
 {
   "name": "vite-plugin-reload",
   "version": "0.0.6",
-  "packageManager": "pnpm@6.32.2",
+  "packageManager": "pnpm@7.3.0",
   "description": "reload target directory for development",
   "keywords": [
     "vite",