add cyphal sitl workflow

.github/workflows/build_cyphal.yml

@@ -27,3 +27,18 @@ jobs:
         with:
           name: cyphal_firmware.elf
           path: build/obj/example.elf
+
+  cyphal_sitl:
+    runs-on: ubuntu-22.04
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0
+
+      - name: Install dependencies
+        run: ./scripts/tools/install_for_ubuntu.sh --yes
+      - run: make generate_dsdl
+      - run: make sitl_cyphal
+      - run: timeout 5s make run