build: bump pnpm to v9

- update package.json
  - update "engines"
  - add "packageManager" 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/action-setup@v3.0.0
-        with:
-          version: 8.14.1
 
       - name: Set up Node.js version
         uses: actions/setup-node@v4.0.2
@@ -57,8 +55,6 @@ jobs:
 
       - name: Install pnpm package manager
         uses: pnpm/action-setup@v3.0.0
-        with:
-          version: 8.14.1
 
       - name: Set up Node.js version
         uses: actions/setup-node@v4.0.2

package.json

@@ -10,7 +10,7 @@
   "private": true,
   "engines": {
     "node": "^20",
-    "pnpm": "^8"
+    "pnpm": "^9"
   },
   "workspaces": [
     "./packages/*"
@@ -58,5 +58,6 @@
     "update-patch": "npm-check-updates --configFileName .ncurc.patch.cjs",
     "update-minor": "npm-check-updates --configFileName .ncurc.minor.cjs",
     "update-major": "npm-check-updates --configFileName .ncurc.major.cjs"
-  }
+  },
+  "packageManager": "pnpm@9.1.1+sha256.9551e803dcb7a1839fdf5416153a844060c7bce013218ce823410532504ac10b"
 }