CI(pico-sensor): included pipeline correctly in main gitlab ci yml file

pico-sensor/.gitlab-ci.yml

@@ -1,28 +1,28 @@
 variables:
-  DOCKER_IMAGE: registry.forge.hefr.ch/team-raclette/project-softweng/pico-sensor:latest
+  PICO_DOCKER_IMAGE: registry.forge.hefr.ch/team-raclette/project-softweng/pico-sensor:latest
 
 stages:
-  - build-docker
-  - test
-  - release
+  - pico-sensor-docker-build
+  - pico-sensor-test
+  - pico-sensor-release
 
 pico-sensor-docker-build:
   image: docker:latest
-  stage: build-docker
+  stage: pico-sensor-docker-build
   services:
     - docker:dind
   script:
-    - docker build -t $DOCKER_IMAGE -f pico-sensor/dockerfile .
+    - docker build -t $PICO_DOCKER_IMAGE -f pico-sensor/Dockerfile .
     - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
-    - docker push $DOCKER_IMAGE
+    - docker push $PICO_DOCKER_IMAGE
   rules:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event' && $CI_COMMIT_BRANCH == 'main'
     - changes:
         - pico-sensor/Dockerfile
 
 pico-sensor-test:
-  stage: test
-  image: registry.forge.hefr.ch/team-raclette/project-softweng/pico-sensor:latest
+  stage: pico-sensor-test
+  image: $PICO_DOCKER_IMAGE
   variables:
     TUNNEL_ID: "801000372" # Tunnel ID to reach the pico-sensor device
   script:
@@ -36,8 +36,8 @@ pico-sensor-test:
       - pico-sensor/build/Test/test-results.xml
 
 pico-sensor-release:
-  stage: release
-  image: $DOCKER_IMAGE
+  stage: pico-sensor-release
+  image: $PICO_DOCKER_IMAGE
   script:
     - cd pico-sensor
     - cmake --preset Release