chore(deps): update pnpm to v9 (#1980)

* chore(deps): update pnpm to v9

* fix: Update package.json

* fix: Update build.yml

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: JellyBrick <shlee1503@naver.com>

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 8
+          version: 9
           run_install: false
 
       - name: Setup NodeJS

package.json

@@ -229,5 +229,7 @@
     "unreleased": true,
     "output": "changelog.md"
   },
-  "packageManager": "pnpm@8.15.7"
+  "engines": {
+    "pnpm": ">=8"
+  }
 }