Add Nexus deployment step to Maven workflow

Author: murcoder14

.github/workflows/maven.yml

@@ -30,3 +30,11 @@ jobs:
     - name: Build with Maven
       run: mvn -B package --file pom.xml
 
+    - name: Deploy to Nexus
+      run: |
+        mvn deploy -DskipTests \
+          -DaltDeploymentRepository=nexus::default::${{ secrets.NEXUS_URL }}/repository/maven-releases/ \
+          -Dusername=${{ secrets.NEXUS_USERNAME }} \
+          -Dpassword=${{ secrets.NEXUS_PASSWORD }}
+      env:
+        MAVEN_OPTS: "-Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true"