Run C API CI under gdb

Author: adsharma

.github/workflows/ci.yml

@@ -126,7 +126,16 @@ jobs:
         env:
           LBUG_PYTHON_BACKEND: capi
         run: |
-          .venv/bin/python -m pytest -vv ./test
+          if ! command -v gdb >/dev/null 2>&1; then
+            sudo apt-get update
+            sudo apt-get install -y gdb
+          fi
+          gdb --batch \
+            -ex "set pagination off" \
+            -ex "set print thread-events off" \
+            -ex "run" \
+            -ex "thread apply all bt full" \
+            --args .venv/bin/python -m pytest -vv ./test
 
   python-ci-pybind:
     runs-on: ubuntu-latest