chore(ci): update malware-safe-chain workflow to use curl installation

Author: ryota-murakami

.github/workflows/malware-safe-chain.yml

@@ -1,30 +1,25 @@
 name: Malware Safe Chain
+
 on:
+  pull_request: ~
   push:
     branches:
       - main
-  pull_request:
-    branches:
-      - main
+
 jobs:
-  safe-chain:
+  malware-safe-chain:
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 10
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
           node-version: '22'
-          cache: 'pnpm'
-      - name: Install Aikido Safe Chain
-        run: npm install -g @aikidosec/safe-chain
-      - name: Setup Safe Chain for CI
-        run: safe-chain setup-ci
+
+      - name: Install safe-chain
+        run: curl -fsSL https://raw.githubusercontent.com/AikidoSec/safe-chain/main/install-scripts/install-safe-chain.sh | sh -s -- --ci
+
       - name: Install dependencies with Safe Chain protection
-        run: pnpm install
+        run: pnpm install --frozen-lockfile