adds publish to npm step

.github/workflows/publish.yml

@@ -0,0 +1,34 @@
+name: Publish
+on:
+    release:
+        types: [published]
+
+jobs:
+    publish:
+        runs-on: ubuntu-latest
+        steps:
+          - name: Checkout xero-node repo
+            uses: actions/checkout@v4
+            with:
+              repository: XeroAPI/xero-node
+              path: xero-node
+
+          - name: Set up Node environment
+            uses: actions/setup-node@v4
+            with:
+              node-version: 20
+              cache: 'npm'
+              cache-dependency-path: '**/package-lock.json'
+
+          - name: Install dependencies
+            run: npm ci
+            working-directory: xero-node
+
+          - name: Run Build
+            run: npm run build
+            working-directory: xero-node
+
+          - name: Publish to npm
+            env:
+              NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}
+            run: npm publish

package.json

@@ -1,6 +1,6 @@
 {
   "name": "xero-node",
-  "version": "9.3.0",
+  "version": "9.3.0-alpha",
   "description": "Xero NodeJS OAuth 2.0 client for xero-node",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",