chore: Update yarn to v4.9.0 (#1336)

* chore: Update yarn to 4.9.0

Signed-off-by: Oleksii Orel <oorel@redhat.com>

Author: olexii4

.github/workflows/pr.yml

@@ -40,28 +40,6 @@ jobs:
         name: "Check dependencies usage restrictions"
         run: yarn license:check
 
-  dash-licenses-yarn-v1:
-    runs-on: ubuntu-22.04
-    if: ${{ github.base_ref == 'main' }}
-    steps:
-      -
-        name: "Checkout Che Dashboard source code"
-        uses: actions/checkout@v4
-      -
-        name: "Use Node 20"
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      -
-        name: "Switch to Yarn 1"
-        run: scripts/yarn/change_package_manager.sh
-      -
-        name: "Install dependencies"
-        run: yarn
-      -
-        name: "Check dependencies usage restrictions"
-        run: yarn license:check
-
   time-check:
     runs-on: ubuntu-22.04
     strategy:
@@ -110,36 +88,6 @@ jobs:
         name: "Run unit tests"
         run: yarn test
 
-  build-and-test-yarn-v1:
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x]
-    steps:
-      -
-        name: "Checkout Che Dashboard source code"
-        uses: actions/checkout@v4
-      -
-        name: "Use Node.js ${{ matrix.node-version }}"
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ matrix.node-version }}
-      -
-        name: "Switch to Yarn 1"
-        run: scripts/yarn/change_package_manager.sh
-      -
-        name: "Install dependencies"
-        run: yarn
-      -
-        name: "Build"
-        run: yarn build
-      -
-        name: "Run linters"
-        run: yarn lint:check
-      -
-        name: "Run unit tests"
-        run: yarn test
-
   docker-build:
     needs: build-and-test
     runs-on: ubuntu-22.04

.gitignore

@@ -18,7 +18,3 @@ yarn-error.log
 run/.che-dashboard-pod
 run/.custom-resources
 run/public-certs
-
-scripts/yarn/tmp
-scripts/yarn/old_version/.yarn/cache
-scripts/yarn/old_version/node_modules/

.yarn/releases/yarn-4.5.1.cjs

@@ -24,4 +24,4 @@ packageExtensions:
     dependencies:
       prop-types: "*"
 
-yarnPath: .yarn/releases/yarn-4.5.1.cjs
+yarnPath: .yarn/releases/yarn-4.9.0.cjs