[SDK-720] Publish to npm with trusted publishing

.github/workflows/publish.yml

@@ -0,0 +1,50 @@
+# Publishes rollbar-cli to npm when a GitHub release is published, using npm
+# trusted publishing (OIDC). No NPM_TOKEN is needed: the matching trusted
+# publisher on npmjs.com points at this workflow file (publish.yml).
+
+name: Publish to npm
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          registry-url: 'https://registry.npmjs.org'
+
+      # Trusted publishing requires npm 11.5.1 or later.
+      - run: npm install -g npm@^11.5.1
+
+      - name: Check package.json version matches release tag
+        id: version
+        env:
+          TAG: ${{ github.event.release.tag_name }}
+        run: |
+          VERSION=$(node -p "require('./package.json').version")
+          if [ "${TAG#v}" != "$VERSION" ]; then
+            echo "::error::package.json version ($VERSION) does not match release tag ($TAG)"
+            exit 1
+          fi
+          case "$VERSION" in
+            *-*) echo "dist_tag=next" >> "$GITHUB_OUTPUT" ;;
+            *) echo "dist_tag=latest" >> "$GITHUB_OUTPUT" ;;
+          esac
+
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm test
+      - run: npm publish --provenance --access public --tag ${{ steps.version.outputs.dist_tag }}

.gitignore

@@ -1,5 +1,4 @@
 node_modules
-package-lock.json
 coverage
 .nyc_output
 .DS_Store