IT-4359 | Update to yarn v3

.github/workflows/ci.yml

@@ -14,14 +14,19 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Insert auth font awesome auth token
-        run: echo "@fortawesome:registry=https://npm.fontawesome.com/" > .npmrc && echo "//npm.fontawesome.com/:_authToken=${{ secrets.FONT_AWESOME_AUTH_TOKEN }}" >> .npmrc
       - uses: actions/setup-node@v3
         with:
           node-version: '16.13'
-          cache: 'yarn'
+      - name: Set yarn version
+        # Hard to say why this is needed here but not in wnl-platform
+        # Keep in sync with packageManager in package.json
+        run: yarn set version 3.2.4
+      - name: Insert auth font awesome auth token
+        run: yarn config set npmScopes.fortawesome.npmAuthToken $FONT_AWESOME_AUTH_TOKEN
+        env:
+          FONT_AWESOME_AUTH_TOKEN: ${{ secrets.FONT_AWESOME_AUTH_TOKEN }}
       - name: Install dependencies
-        run: yarn install --pure-lockfile
+        run: yarn install --immutable
       - name: TypeScript check
         run: yarn ts:check
       - name: Run unit tests

.gitignore

@@ -6,3 +6,12 @@ yarn-error.log
 .stylelintcache
 .npmrc
 public
+
+.yarnrc.yml
+.yarn/*
+!.yarn/cache
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions