chore(ci): Maximize CI/CD values (Dependabot & Permissions) (#23)

This automated PR updates your CI/CD configurations to maximize value
and security.
- **Dependabot**: Ensures `github-actions` is monitored for updates.
- **Security**: Adds `permissions: read-all` to workflows missing
explicit permissions.

Author: hyperpolymath

.github/workflows/boj-build.yml

@@ -1,19 +1,17 @@
 name: BoJ Server Build Trigger
-
 on:
   push:
-    branches: [ main, master ]
+    branches: [main, master]
   workflow_dispatch:
-
 jobs:
   trigger-boj:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         run: |
           # Send a secure trigger to boj-server to build this repository
           curl -X POST "http://boj-server.local:7700/cartridges/ssg-mcp/invoke"             -H "Content-Type: application/json"             -d "{\"repo\": \"${{ github.repository }}\", \"branch\": \"${{ github.ref_name }}\", \"engine\": \"casket\\"}"}
         continue-on-error: true
+permissions: read-all