Add Node.js setup and install pytest-mcp

Signed-off-by: Jos Verlinde <jos_verlinde@hotmail.com>

Author: Josverl

.github/workflows/copilot-setup-steps.yml

@@ -29,3 +29,13 @@ jobs:
         uses: astral-sh/setup-uv@v6
         with:
           version: "latest"
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: "npm"          
+
+      - name: install Pytest-mcp
+        # https://github.com/tosin2013/pytest-mcp-server
+        run: npm install -g pytest-mcp-server