ci: Add SAST via CodeQL (public preview) (#197)

Author: xhochy

.github/workflows/codeql.yml

@@ -0,0 +1,40 @@
+name: "CodeQL Analysis"
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+  schedule:
+    - cron: "16 22 * * 5"
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      packages: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: actions
+            build-mode: none
+          - language: rust
+            build-mode: none
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@39edc492dbe16b1465b0cafca41432d857bdb31a # v3.29.2
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@39edc492dbe16b1465b0cafca41432d857bdb31a # v3.29.2
+        with:
+          category: "/language:${{matrix.language}}"