Suppress progress on pulling on Performance Test

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

changelogs/unreleased/221189-suppress-progress-on-pulling-image-on-auto-browser-performance-tes.yml

+---
+title: Suppress progress on pulling on Performance Test
+merge_request: 34368
+author: Takuya Noguchi
+type: other

lib/gitlab/ci/templates/Jobs/Browser-Performance-Testing.gitlab-ci.yml

@@ -4,6 +4,7 @@ performance:
   allow_failure: true
   variables:
     DOCKER_TLS_CERTDIR: ""
+    SITESPEED_IMAGE: "sitespeedio/sitespeed.io:11.2.0"
   services:
     - docker:19.03.11-dind
   script:
@@ -17,13 +18,14 @@ performance:
     - mkdir gitlab-exporter
     - wget -O gitlab-exporter/index.js https://gitlab.com/gitlab-org/gl-performance/raw/1.0.0/index.js
     - mkdir sitespeed-results
+    - docker pull --quiet ${SITESPEED_IMAGE}
     - |
       if [ -f .gitlab-urls.txt ]
       then
         sed -i -e 's@^@'"$CI_ENVIRONMENT_URL"'@' .gitlab-urls.txt
-        docker run --shm-size=1g --rm -v "$(pwd)":/sitespeed.io sitespeedio/sitespeed.io:11.2.0 --plugins.add ./gitlab-exporter --outputFolder sitespeed-results .gitlab-urls.txt
+        docker run --shm-size=1g --rm -v "$(pwd)":/sitespeed.io ${SITESPEED_IMAGE} --plugins.add ./gitlab-exporter --outputFolder sitespeed-results .gitlab-urls.txt
       else
-        docker run --shm-size=1g --rm -v "$(pwd)":/sitespeed.io sitespeedio/sitespeed.io:11.2.0 --plugins.add ./gitlab-exporter --outputFolder sitespeed-results "$CI_ENVIRONMENT_URL"
+        docker run --shm-size=1g --rm -v "$(pwd)":/sitespeed.io ${SITESPEED_IMAGE} --plugins.add ./gitlab-exporter --outputFolder sitespeed-results "$CI_ENVIRONMENT_URL"
       fi
     - mv sitespeed-results/data/performance.json performance.json
   artifacts: