chore(website): update to yarn 4 (carbon-design-system#3801)

* chore(project): update to yarn 4

* chore: migrate to yarn 4 settings/commands

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         with:
           node-version: '18.x'
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: Check formatting of project files
         run: yarn format:check
 
@@ -29,6 +29,6 @@ jobs:
         with:
           node-version: '18.x'
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: Lint JavaScript files
         run: yarn lint:js

.github/workflows/deploy.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           node-version: 18.x
       - name: Install packages
-        run: yarn install --frozen-lockfile --network-timeout 300000
+        run: yarn install --immutable --network-timeout 300000
       - name: Gatsby Cache Folder
         uses: actions/cache@v3
         id: gatsby-cache-folder

.yarnrc.yml

@@ -0,0 +1,3 @@
+nodeLinker: node-modules
+
+nmHoistingLimits: workspaces

docs/deployment.md

@@ -2,7 +2,7 @@
 
 1. Update and install dependencies
    ```bash
-   git pull upstream main && yarn install --frozen-lockfile
+   git pull upstream main && yarn install --immutable
    ```
 2. Run build and test locally
 

package.json

@@ -7,8 +7,7 @@
   "workspaces": {
     "packages": [
       "plugins/*"
-    ],
-    "nohoist": []
+    ]
   },
   "scripts": {
     "dev": "NODE_OPTIONS='--max-old-space-size=8192' gatsby develop -H 0.0.0.0",
@@ -117,5 +116,6 @@
   },
   "resolutions": {
     "webpack": "^5.59.0"
-  }
+  },
+  "packageManager": "[email protected]"
 }