wip: dependencies install

.github/workflows/slither.yml

@@ -1,4 +1,5 @@
 name: Slither Analysis
+
 on: [push]
 
 permissions:
@@ -11,6 +12,18 @@ jobs:
       security-events: write
     steps:
       - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+
+      - name: Install dependencies
+        run: |
+          if [ ! -f package.json ]; then
+            npm init -y
+          fi
+          npm install @openzeppelin/contracts
 
       - name: Run Slither
         uses: crytic/slither-action@6ef3a33e56de4e8f59488cf60858b5c1bf4967c0 # v0.3.0
@@ -19,7 +32,7 @@ jobs:
           sarif: results.sarif
           fail-on: none
           target: contracts/
-
+          
       - name: Upload SARIF file
         uses: github/codeql-action/upload-sarif@461ef6c76dfe95d5c364de2f431ddbd31a417628 # v3.26.9
         with: