Merge pull request #1846 from Automattic/add/prerelease-workflow

ci: add publish prerelease workflow

.github/workflows/npm-publish-prerelease.yml

@@ -0,0 +1,24 @@
+name: Publish prerelease to npm
+
+on:
+  workflow_dispatch:
+    inputs:
+      npm_tag:
+        description: 'NPM tag for prerelease'
+        default: 'next'
+
+jobs:
+  publish:
+    name: Publish prerelease
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      id-token: write
+      pull-requests: write
+    steps:
+      - uses: Automattic/vip-actions/[email protected]
+        with:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+          PROVENANCE: 'true'
+          NPM_TAG: ${{ inputs.npm_tag }}