WEBDEV-7982: Add npm publishing GH actions (#15)

* Add npm publishing GH actions

* Update actions and use GITHUB_TOKEN

* Consolidate npm-publish script

* Linting

Author: jbuckner

.github/workflows/npm-publish.yml

@@ -0,0 +1,27 @@
+# Publish to npm whenever a release/prerelease is published
+name: Publish release to npm
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 24
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm ci
+      - run: npm test
+      # Check if the release tag is a semver release (e.g., v1.2.3) or a pre-release (e.g., v1.2.3-alpha)
+      - run: |
+          if [[ ${{ github.event.release.tag_name }} =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            npm publish --provenance
+          else
+            npm publish --provenance --tag alpha
+          fi