gha: enable CodeQL scanning

Signed-off-by: Aleksa Sarai <[email protected]>

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,60 @@
+# umoci: Umoci Modifies Open Containers' Images
+# Copyright (C) 2016-2020 SUSE LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: "CodeQL Scanning"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  release:
+    types: [ published ]
+  schedule:
+    - cron: '23 14 * * 3'
+
+jobs:
+  analyse:
+    name: Analyse (${{ matrix.language }})
+    # Runner size impacts CodeQL analysis time. To learn more, please see:
+    #   - https://gh.io/recommended-hardware-resources-for-running-codeql
+    #   - https://gh.io/supported-runners-and-hardware-resources
+    #   - https://gh.io/using-larger-runners (GitHub.com only)
+    # Consider using larger runners or machines with greater resources for possible analysis time improvements.
+    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    permissions:
+      # Required for all workflows.
+      security-events: write
+      # Required to fetch internal or private CodeQL packs.
+      packages: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - language: go
+          build-mode: autobuild
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.build-mode }}
+
+    - uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"