chore: add publish workflow based on tag

.github/workflows/release.yaml

@@ -0,0 +1,26 @@
+name: release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 21
+      - name: Set package version
+        run: |
+          sed -i 's/  "version": "%VERSION%",/  "version": "${{ github.ref_name }}",/' package.json
+      - name : Install dependencies
+        run: npm install
+      - name: Publish release
+        run: npm run build && npm publish --access public
+        env:
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/test.yaml

@@ -41,7 +41,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 1
-          ref: ${{  github.event.pull_request.head.sha }}
+          ref: ${{ github.event.pull_request.head.sha }}
       - uses: actions/setup-node@v4
         with:
           node-version: 21

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@gptscript-ai/gptscript",
-  "version": "0.5.0",
+  "version": "%VERSION%",
   "description": "Run gptscript in node.js",
   "main": "lib/gptscript.js",
   "repository": {