Update .gitlab-ci.yml file

.gitlab-ci.yml

-image: ubuntu
+image: alpine:3.17.1
 trigger-root:
     stage: deploy
+    variables:
+        GIT_STRATEGY: none
     script:
-        - apt update && apt install -y curl
+        - apk add --no-cache curl
         - TARGET_BRANCH="$CI_COMMIT_BRANCH"
         - if [ "$TARGET_BRANCH" = "main" ]; then TARGET_BRANCH="master"; fi
         - 'curl --fail --request POST --form "variables[ADITO_COMMIT_MESSAGE]=$CI_COMMIT_MESSAGE" --form "token=$PUSH_TRIGGER_TOKEN" --form "ref=$TARGET_BRANCH" "https://gitlab.adito.de/api/v4/projects/676/trigger/pipeline"'
-    only:
-        - pushes
\ No newline at end of file
+    rules:
+        - if: '$CI_PIPELINE_SOURCE == "push" && ($CI_COMMIT_BRANCH =~ /^2024/ || $CI_COMMIT_BRANCH == CI_DEFAULT_BRANCH)'
+          when: on_success
\ No newline at end of file