[TASK] Switch from yarn to npm (#1289)

Resolves: #1274

.github/workflows/ci.yml

@@ -93,9 +93,9 @@ jobs:
       - name: "Checkout"
         uses: actions/checkout@v4
       - name: "Install modules"
-        run: yarn
+        run: npm install
       - name: "Run command"
-        run: "yarn lint:${{ matrix.command }}"
+        run: "npm run lint:${{ matrix.command }}"
   unit-tests:
     name: "Unit tests"
     runs-on: ubuntu-22.04

.gitlab/pipeline/jobs/.default-frontend.yml

@@ -5,6 +5,6 @@
     key: "$CI_PROJECT_ID"
     paths:
       - Resources/Private/node_modules/
-      - Resources/Private/.yarn
+      - Resources/Private/.npm
   before_script:
-    - yarn install --cache-folder .yarn
+    - npm install --cache .npm

.gitlab/pipeline/jobs/javascript-lint.yml

@@ -2,10 +2,10 @@ javascript-lint:
   extends: .default-frontend
   stage: lint
   script:
-    - yarn lint:js
+    - npm run lint:js
 
 style-lint:
   extends: .default-frontend
   stage: lint
   script:
-    - yarn lint:style
+    - npm run lint:style