Add CodeQL code scanning workflow for Rust vulnerability detection

.github/workflows/codeql.yml

@@ -0,0 +1,48 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main, release/**]
+  pull_request:
+    branches: [main, release/**]
+  schedule:
+    - cron: "0 0 * * 1"
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      packages: read
+      actions: read
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: rust
+            build-mode: manual
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y libudev-dev libdbus-1-dev
+
+      - name: Update Rust toolchain
+        run: rustup update
+
+      - name: Build
+        run: cargo build --bin stellar
+        timeout-minutes: 10
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{ matrix.language }}"