Add checkstyle to CI
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 1e72f59..d8cd3a5 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -23,7 +23,7 @@
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven
-      run: mvn -B package --file pom.xml
+      run: mvn -B package checkstyle:check findbugs:check --file pom.xml
 
     # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
     - name: Update dependency graph