chore: fix env usage

Author: cpcloud

.github/workflows/ci.yml

@@ -102,7 +102,8 @@ jobs:
       - run: pip install .
 
       - run: pytest --numprocesses auto
-        env: ${{ matrix.spec.env }}
+        env:
+          NUMBA_CAPTURED_ERRORS: ${{ matrix.spec.env.NUMBA_CAPTURED_ERRORS }}
 
   dry-run-release:
     runs-on: ubuntu-latest