chore: upgrade pnpm to v12 and migrate CI to pnpm/setup

.github/workflows/build-test.yml

@@ -15,7 +15,8 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest', 'windows-latest']
-        node_version: [lts/-1, lts/*, latest]
+        # 22 tracks the previous Node.js LTS line; pnpm/setup has no "previous LTS" alias, so bump this manually when Node.js LTS rotates
+        node_version: [22, lts, latest]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
@@ -24,14 +25,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v7
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86
-
-      - name: Setup NodeJS
-        uses: actions/setup-node@v7
+      - name: Setup pnpm & Node.js
+        uses: pnpm/setup@fbda4c85fc2e1e08721cd8763afea8f48d60f024 # v3.0.0
         with:
-          node-version: ${{ matrix.node_version }}
-          cache: pnpm
+          runtime: node@${{ matrix.node_version }}
+          cache: true
+          install: false
 
       - name: Install dependencies
         run: pnpm i --frozen-lockfile

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
       - name: Run release-please command
         id: release
-        uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7
+        uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7 # v5.0.0
 
   merge-release-pr:
     name: Merge Release PR
@@ -94,13 +94,14 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86
+        uses: pnpm/setup@fbda4c85fc2e1e08721cd8763afea8f48d60f024 # v3.0.0
+        with:
+          install: false
 
       - name: Setup NodeJS
         uses: actions/setup-node@v7
         with:
           node-version: latest
-          cache: pnpm
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install dependencies

package.json

@@ -40,7 +40,7 @@
   "bin": {
     "rn-toolbox": "bin/run.js"
   },
-  "packageManager": "pnpm@11.7.0+sha512.19cc852c120c7125760f2443ee6be0ca5b40f9f50598de1a09a1f177503e010e57c23c77646e01e761de59bf874fb22a3398c33ab9691fc13eb946b6f0f4d620",
+  "packageManager": "pnpm@12.8.0",
   "dependencies": {
     "sharp": "^0.35.1"
   },