Add debugging to GHA.

Author: ayjayt

.github/workflows/test.yml

@@ -11,6 +11,9 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
+    env:
+      PYTHONTRACEMALLOC: "1"
+      PYTHONWARNINGS: "error::ResourceWarning"
     defaults:
       run:
         working-directory: ./src/py/