ci: add memory leak test workflow

.github/workflows/build-check.yaml

@@ -242,6 +242,39 @@ jobs:
         if: always()
         run: kill ${{ steps.run-zenoh.outputs.zenohd-pid }}
 
+  memory_leak_test:
+    needs: zenoh_build
+    name: Test examples memory leak
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Download Zenoh artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ needs.zenoh_build.outputs.artifact-name }}
+
+      - name: Unzip Zenoh artifacts
+        run: unzip ${{ needs.zenoh_build.outputs.artifact-name }} -d zenoh-standalone
+
+      - id: run-zenoh
+        name: Run Zenoh router
+        run: |
+          RUST_LOG=debug ./zenoh-standalone/zenohd &
+          echo "zenohd-pid=$!" >> $GITHUB_OUTPUT
+
+      - name: Build project and run test
+        run: |
+          sudo apt install -y ninja-build valgrind
+          CMAKE_GENERATOR=Ninja make
+          python3 ./build/tests/memory_leak.py
+        timeout-minutes: 5
+
+      - name: Kill Zenoh router
+        if: always()
+        run: kill ${{ steps.run-zenoh.outputs.zenohd-pid }}
+
   no_routeur:
     name: Test examples without router
     runs-on: ubuntu-latest