Use quiet option for CI jobs

gitlab-ci/build.yml

@@ -2,6 +2,6 @@ static:
   stage: build
   image: node:12-bullseye
   before_script:
-    - npm install
+    - npm install --quiet
   script:
     - npm run build

gitlab-ci/lint.yml

@@ -2,7 +2,7 @@ python-linting:
   stage: lint
   image: python:3.9-bullseye
   before_script:
-    - pip install -r requirements/production.txt -r requirements/development.txt
+    - pip install -r requirements/production.txt -r requirements/development.txt --quiet
   script:
     - isort src/ --check-only --recursive
     - black src/ --line-length 88 --check
@@ -16,7 +16,7 @@ javascript-linting:
   stage: lint
   image: node:12-bullseye
   before_script:
-    - npm install
+    - npm install --quiet
   script:
     - npm run lint
   only:

gitlab-ci/test.yml

@@ -6,7 +6,7 @@ python-tests:
     - memcached:1.5.22
   image: python:3.9-bullseye
   before_script:
-    - pip install -r requirements/production.txt -r requirements/development.txt
+    - pip install -r requirements/production.txt -r requirements/development.txt --quiet
   script:
     - coverage run ./src/manage.py test newsreader
 
@@ -14,6 +14,6 @@ javascript-tests:
   stage: test
   image: node:12-bullseye
   before_script:
-    - npm install
+    - npm install --quiet
   script:
     - npm test