fmt: format workflow and upgrade node version to 20

Signed-off-by: samzong.lu <samzong.lu@gmail.com>

.github/workflows/deploy.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
 
       - name: Install dependencies

.github/workflows/test.yaml

@@ -1,4 +1,4 @@
-name: Test deployment
+name: Test and label PRs
 
 on:
   pull_request:
@@ -8,17 +8,47 @@ on:
     # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
 
 jobs:
-  test-deploy:
-    name: Test deployment
+  # PR test
+  pr-test:
+    name: PR test
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile
       - name: Test build website
-        run: yarn build
+        run: yarn build
+
+  # add pull request size label
+  size-labeler:
+    permissions:
+      issues: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    name: Label the PR size
+    steps:
+      - uses: codelytv/pr-size-labeler@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          xs_label: "size/xs"
+          xs_max_size: "9"
+          s_label: "size/s"
+          s_max_size: "29"
+          m_label: "size/m"
+          m_max_size: "99"
+          l_label: "size/l"
+          l_max_size: "499"
+          xl_label: "size/xl"
+          xl_max_size: "999"
+          xll_label: "size/xll"
+          xll_max_size: "1999"
+          fail_if_xll: "false"
+          message_if_xll: >
+            This PR exceeds the recommended size of 2000 lines.
+            Please make sure you are NOT addressing multiple issues with one PR.
+            Note this PR might be rejected due to its size.