Use yarn modern

.github/workflows/deploy-github-pages.yaml

@@ -25,6 +25,9 @@ jobs:
         with:
           node-version: '^18.0.0'
 
+      - name: Enable corepack
+        run: corepack enable
+
       #👇 Add Storybook build and deploy to GitHub Pages as a step in the workflow
       - uses: bitovi/github-actions-storybook-to-github-pages@v1.0.3
         with:

.github/workflows/github-ci.yml

@@ -14,5 +14,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: "22"
+      - name: Enable corepack
+        run: corepack enable
       - name: Install and CI
         run: yarn && yarn ci

.gitignore

@@ -1,6 +1,10 @@
 # dependencies
 /node_modules
 
+# yarn berry
+.yarn/cache
+.yarn/install-state.gz
+
 # next.js
 /.next/
 .env.*.local

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

package.json

@@ -97,5 +97,5 @@
     "cross-spawn": "^7.0.5",
     "wrap-ansi/string-width": "^4.2.0"
   },
-  "packageManager": "yarn@1.22.19+sha1.4ba7fc5c6e704fce2066ecbfb0b0d8976fe62447"
+  "packageManager": "yarn@4.13.0"
 }