build: workflow permissions

Author: cdcabrera

.github/workflows/audit.yml

@@ -12,6 +12,8 @@ on:
 jobs:
   audit-links:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@v6
       - name: Setup Node.js

.github/workflows/integration.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   Integration-checks:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     strategy:
       matrix:
         node-version: [20.x, 22.x, 24.x]