Add CodeQL

.github/workflows/codeql.yml

@@ -0,0 +1,43 @@
+name: "CodeQL"
+
+on:
+  push: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["go"]
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6 # v2.8.1
+        with:
+          egress-policy: audit
+
+      - name: Checkout repository
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@4fa2a7953630fd2f3fb380f21be14ede0169dd4f # v3.25.12
+        with:
+          languages: ${{ matrix.language }}
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@4fa2a7953630fd2f3fb380f21be14ede0169dd4f # v3.25.12
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@4fa2a7953630fd2f3fb380f21be14ede0169dd4f # v3.25.12
+        with:
+          category: "/language:${{matrix.language}}"