workflow: adding codeql analysis (#12)

.github/workflows/codeql.yml

@@ -0,0 +1,40 @@
+# SPDX-FileCopyrightText: 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: "CodeQL"
+
+on:
+  workflow_call:
+
+jobs:
+  analyze:
+    name: Analyze python
+    runs-on: 'ubuntu-latest'
+    timeout-minutes: 360
+    permissions:
+      # required for all workflows
+      security-events: write
+
+      # required to fetch internal or private CodeQL packs
+      packages: read
+
+      # only required for workflows in private repositories
+      actions: read
+      contents: read
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: python
+        build-mode: none
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:python"
+