Migrate to modern yarn, bump node to 22 (#468)

Signed-off-by: Derek Nola <[email protected]>

Author: dereknola

.github/workflows/deploy.yml

@@ -17,16 +17,19 @@ jobs:
     name: Deploy to GitHub Pages
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.inputs.dev_branch }}
+      
+      - name: Enable Corepack for Modern Yarn
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
           cache: yarn
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: Build website
         if: ${{ github.repository_owner == 'k3s-io' }}
         run: yarn build

.github/workflows/test-deploy.yml

@@ -10,14 +10,16 @@ jobs:
     name: Test deployment
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
+      - name: Enable Corepack for Modern Yarn
+        run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22
           cache: yarn
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: yarn install --immutable
       - name: Check internal links
         run: yarn run remark --use remark-validate-links --frail ./docs
       - name: Check external links

.gitignore

@@ -1,5 +1,6 @@
 # Dependencies
 /node_modules
+install-state.gz
 
 # Production
 /build

.yarnrc.yml

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

package.json

@@ -53,7 +53,7 @@
       [
         "remark-lint-no-dead-urls",
         {
-          "deadOrAliveOptions":{
+          "deadOrAliveOptions": {
             "maxRetries": 3,
             "timeout": 5000
           },
@@ -67,5 +67,6 @@
         }
       ]
     ]
-  }
+  },
+  "packageManager": "[email protected]"
 }