chore(deps): update pnpm to v8.13.1 (#104)

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

package.json

@@ -1,7 +1,7 @@
 {
   "name": "dot-github",
   "private": true,
-  "packageManager": "pnpm@8.11.0",
+  "packageManager": "pnpm@8.13.1",
   "description": "justInCase's Renovate configurations",
   "author": "justInCaseTechnologies Inc. <developers@justincase.jp>",
   "repository": {