run js tests on CI

Author: NimrodAvni78

.github/workflows/nodejs.yml

@@ -0,0 +1,50 @@
+name: Node.js Span Bridge CI
+
+on:
+  push:
+    branches: ["main", "release-*"]
+  pull_request:
+    branches: ["main", "release-*"]
+    paths:
+      - "pkg/internal/nodejs/**"
+      - ".github/workflows/nodejs.yml"
+  workflow_dispatch:
+  workflow_call:
+    inputs:
+      ref:
+        description: "Git ref (commit, branch, or tag) to check out"
+        required: false
+        type: string
+
+concurrency:
+  group: nodejs-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Test span bridge (Node ${{ matrix.node }})
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    strategy:
+      matrix:
+        node: [18, 20, 22]
+      fail-fast: false
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          ref: ${{ inputs.ref || github.sha }}
+          persist-credentials: false
+
+      - name: Set up Node.js ${{ matrix.node }}
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
+        with:
+          node-version: ${{ matrix.node }}
+          cache: npm
+          cache-dependency-path: pkg/internal/nodejs/spanbridge_test/package-lock.json
+
+      - name: Run Node.js span-bridge tests
+        run: make test-nodejs