chore: add codeql.yaml

Signed-off-by: Na'aman Hirschfeld <[email protected]>

.github/workflows/codeql.yaml

@@ -0,0 +1,39 @@
+name: 'CodeQL'
+
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+        branches:
+            - main
+    schedule:
+        - cron: '16 20 * * 5'
+
+jobs:
+    analyze:
+        name: Analyze
+        runs-on: ubuntu-latest
+        timeout-minutes: 360
+        permissions:
+            actions: read
+            contents: read
+            security-events: write
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v4
+            - name: Setup Java
+              uses: actions/setup-java@v4
+              with:
+                  java-version: '17'
+                  distribution: 'temurin'
+            - name: Initialize CodeQL
+              uses: github/codeql-action/init@v2
+              with:
+                  languages: java-kotlin
+            - name: Autobuild
+              uses: github/codeql-action/autobuild@v2
+            - name: Perform CodeQL Analysis
+              uses: github/codeql-action/analyze@v2
+              with:
+                  category: '/language:java-kotlin'