Add CodeQL workflow

.github/workflows/codeql.yml

@@ -0,0 +1,46 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "main", "9.0" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ java ]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Setup Java
+        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@7e3036b9cd87fc26dd06747b7aa4b96c27aaef3a # v3.28.4
+        with:
+          languages: ${{ matrix.language }}
+          queries: +security-and-quality
+          build-mode: manual
+
+      - name: Build
+        run: ./mvnw clean install -DskipTests=true -Pskip-checks -Pci-build
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@7e3036b9cd87fc26dd06747b7aa4b96c27aaef3a # v3.28.4
+        with:
+          category: "/language:${{ matrix.language }}"