build: bump pnpm to v9

- update package.json
  - update "engines" field
  - add "packageManager" field for use with corepack
- update workflow jobs
  - remove "version" input for "pnpm/action-setup" as the action will
    use the "packageManager" field from `package.json`
- update pnpm-lock.yaml

.github/workflows/continuous-deployment.yml

@@ -17,8 +17,6 @@ jobs:
 
       - name: Install pnpm package manager
         uses: pnpm/[email protected]
-        with:
-          version: 8.14.1
 
       - name: Set up Node.js version
         uses: actions/[email protected]
@@ -42,8 +40,6 @@ jobs:
 
       - name: Install pnpm package manager
         uses: pnpm/[email protected]
-        with:
-          version: 8.14.1
 
       - name: Set up Node.js version
         uses: actions/[email protected]
@@ -70,8 +66,6 @@ jobs:
 
       - name: Install pnpm package manager
         uses: pnpm/[email protected]
-        with:
-          version: 8.14.1
 
       - name: Set up Node.js version
         uses: actions/[email protected]

package.json

@@ -56,6 +56,7 @@
   },
   "engines": {
     "node": "^20",
-    "pnpm": "^8"
-  }
+    "pnpm": "^9"
+  },
+  "packageManager": "[email protected]+sha256.9551e803dcb7a1839fdf5416153a844060c7bce013218ce823410532504ac10b"
 }