Add pkg.pr.new workflow

.github/workflows/publish-pkg.pr.new.yml

@@ -0,0 +1,24 @@
+name: Publish with pkg.pr.new
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '**'
+    tags:
+      - '!**'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - run: corepack enable
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - run: npx pkg-pr-new publish

.github/workflows/test.yml

@@ -19,8 +19,8 @@ jobs:
     name: ${{ matrix.os }} (Node v${{ matrix.node }})
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
       - run: |