Copy tests-performance to tests-performance-demo.yml

tests-performance are currently disabled via #79. This should trigger them via a new workflow file

Author: gabrys

.github/workflows/tests-performance-demo.yml

@@ -0,0 +1,35 @@
+name: Performance tests - demo
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: gcp-perf-test-dedicated
+    container:
+      image: ubuntu:24.04
+      options: --cpuset-cpus=0
+    timeout-minutes: 30
+    steps:
+      - name: Install Git
+        run: |
+          apt-get update && apt-get install -y git &&
+          git config --global --add safe.directory /__w/neptune-query/neptune-query
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip &&
+          pip install -r dev_requirements.txt
+
+      - name: Run performance tests
+        run: |
+          pytest --junitxml="test-results/test-performance.xml" tests/performance