Update .gitlab-ci.yml file

.gitlab-ci.yml

 stages:
   - license
   - build_and_test
-  - deploy_demos
+  - deploy_packages
   
 ############ YAML ANCHORS ############
 .preliminaries_template: &preliminaries_definition
@@ -132,16 +132,12 @@ build_and_test:bionic:
   script:
     - *build_and_test_definition
 
-############ DEPLOY DEMOS ############
+############ DEPLOY ROS PACKAGES ############
 deploy_imu:
-  stage: deploy_demos
+  stage: deploy_packages
   variables:
     WOLF_CORE_BRANCH: $WOLF_CORE_BRANCH
     WOLF_IMU_BRANCH: $WOLF_IMU_BRANCH
-    WOLF_BODYDYNAMICS_BRANCH: $WOLF_BODYDYNAMICS_BRANCH
-    WOLF_VISION_BRANCH: $WOLF_VISION_BRANCH
-    WOLF_APRILTAG_BRANCH: $WOLF_APRILTAG_BRANCH
-    WOLF_GNSS_BRANCH: $WOLF_GNSS_BRANCH
-    WOLF_LASER_BRANCH: $WOLF_LASER_BRANCH
+    WOLF_ROS_CORE_BRANCH: $CI_COMMIT_BRANCH
   trigger: 
     project: mobile_robotics/wolf_projects/wolf_ros/wolf_ros_imu