ci: Install the gitlab gem in the 'fail-pipeline-early' job

Signed-off-by: Rémy Coutable <remy@rymai.me>

.gitlab/ci/rails.gitlab-ci.yml

@@ -802,7 +802,7 @@ fail-pipeline-early:
     GIT_DEPTH: 1
   before_script:
     - source scripts/utils.sh
-    - install_api_client_dependencies_with_apt
+    - install_gitlab_gem
   script:
     - fail_pipeline_early
 # EE: Canonical MR pipelines

.gitlab/ci/review.gitlab-ci.yml

@@ -29,7 +29,6 @@ review-build-cng:
   stage: review-prepare
   before_script:
     - source ./scripts/utils.sh
-    - install_api_client_dependencies_with_apk
     - install_gitlab_gem
   needs:
     - job: compile-production-assets

scripts/utils.sh

@@ -26,10 +26,6 @@ function install_api_client_dependencies_with_apk() {
   apk add --update openssl curl jq
 }
 
-function install_api_client_dependencies_with_apt() {
-  apt update && apt install jq -y
-}
-
 function install_gitlab_gem() {
   gem install httparty --no-document --version 0.18.1
   gem install gitlab --no-document --version 4.17.0