chore(ci): Add CodeQL workflow

.github/workflows/codeql.yml

@@ -0,0 +1,36 @@
+name: CodeQL
+
+on:
+  push:
+    branches: main
+  pull_request: 
+    branches: main
+
+concurrency:
+  group: codeql-${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    timeout-minutes: 360
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v3
+        with:
+          distribution: oracle
+          java-version: 21
+          check-latest: true
+      - uses: gradle/actions/setup-gradle@v3
+      - uses: github/codeql-action/init@v2
+        with:
+          languages: java-kotlin
+      - run: ./gradlew build -x check
+      - uses: github/codeql-action/analyze@v2
+        with:
+          category: /language:java-kotlin

src/test/java/io/github/joselion/springr2dbcrelationships/processors/ManyToOneProcessorTest.java

@@ -58,7 +58,6 @@
           assertThat(city.countryId()).isEqualTo(countryId);
           assertThat(city.country()).isNotNull();
           assertThat(city.country().id()).isEqualTo(countryId);
-          System.err.println("*********** " + city.country());
           assertThat(city.country().cities())
             .allSatisfy(c -> assertThat(c.country()).isNull())
             .extracting(City::name)