Add GH Workflow to run WPTs for Streams

.github/workflows/wpt.yml

@@ -0,0 +1,26 @@
+name: Web Platform Tests
+on:
+  workflow_dispatch:
+  pull_request:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  streams:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.22.x
+          check-latest: true
+      - name: Run tests
+        run: |
+          set -x
+          cd js/modules/k6/experimental/streams/tests
+          sh checkout.sh
+          go test ../... -tags=wpt