ci: add CodeQL workflow with manual Java build

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: nicklasl

.github/workflows/codeql.yml

@@ -0,0 +1,39 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+  schedule:
+    - cron: "25 7 * * 3"
+
+permissions:
+  contents: read
+  security-events: write
+
+jobs:
+  analyze:
+    name: Analyze Java
+    runs-on: ubuntu-24.04-arm
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: java-kotlin
+          build-mode: manual
+
+      - name: Build Java provider
+        run: mvn -B compile -f openfeature-provider/java/pom.xml
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3