ci: publish v2 contracts (#285)

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Francisco de Borja Aranda Castillejo <[email protected]>

.github/workflows/publish-npm_v2.yaml

@@ -0,0 +1,43 @@
+name: Publish to NPM (V2)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "The version to release, e.g., v10.0.0-rc2"
+        required: true
+
+defaults:
+  run:
+    working-directory: ./v2
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "21"
+          registry-url: "https://registry.npmjs.org"
+
+      - name: Install Dependencies
+        run: yarn install
+
+      - name: Determine NPM Tag
+        id: determine-npm-tag
+        run: |
+          VERSION_TAG=${{ github.event.inputs.version }}
+          if [[ $VERSION_TAG == *"-"* ]]; then
+            echo "NPM_TAG=${VERSION_TAG#*-}" >> $GITHUB_ENV
+          else
+            echo "NPM_TAG=latest" >> $GITHUB_ENV
+
+      - name: Publish to NPM
+        run: yarn publish --new-version ${{ github.event.inputs.version }} --tag ${{ steps.determine-npm-tag.outputs.NPM_TAG }} --no-git-tag-version
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}