github: run integration tests with sanitizers

Running with sanitizers in CI will help prevent us from introducing new
memory safety errors.

Author: morehouse

.github/workflows/ci.yaml

@@ -400,6 +400,56 @@ jobs:
           sed -i 's/VALGRIND=0/VALGRIND=1/g' config.vars
           poetry run pytest tests/ -vvv -n 3 ${PYTEST_OPTS}  ${{ matrix.PYTEST_OPTS }}
 
+  integration-sanitizers:
+    name: Sanitizers Test CLN
+    runs-on: ubuntu-22.04
+    timeout-minutes: 120
+    env:
+      COMPAT: 1
+      BITCOIN_VERSION: "25.0"
+      ELEMENTS_VERSION: 22.0.2
+      RUST_PROFILE: release
+      ASAN: 1
+      UBSAN: 1
+      VALGRIND: 0
+      DEVELOPER: 1
+      SLOW_MACHINE: 1
+      TEST_DEBUG: 1
+      PYTEST_PAR: 4
+      PYTEST_OPTS: --timeout=1800
+    needs:
+      - prebuild
+    strategy:
+      fail-fast: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.7
+
+      - name: Install dependencies
+        run: |
+          bash -x .github/scripts/setup.sh
+          pip install -U pip wheel poetry
+          # Export and then use pip to install into the current env
+          poetry export -o /tmp/requirements.txt --without-hashes --with dev
+          pip install -r /tmp/requirements.txt
+
+      - name: Install bitcoind
+        run: .github/scripts/install-bitcoind.sh
+
+      - name: Build
+        run: |
+          ./configure CC=clang
+          make -j $(nproc)
+
+      - name: Test
+        run: |
+          poetry run pytest tests/ -vvv -n ${PYTEST_PAR} ${PYTEST_OPTS}
+
   gather:
     # A dummy task that depends on the full matrix of tests, and
     # signals successful completion. Used for the PR status to pass