feat(sedonadb): sd_read_zarr UDTF via datafusion-ffi plugin handoff

.github/workflows/python.yml

@@ -119,6 +119,12 @@ jobs:
           # Keep this export in sync with the export in dev/release/verify-release-candidate.sh
           export MATURIN_PEP517_ARGS="--features s2geography"
           pip install -e "python/sedonadb/[test]" -vv
+          # The zarr plugin package — installed so its tests in
+          # python/sedonadb-zarr/tests/test_zarr.py can be collected by
+          # the `cd python && pytest` step below. Unset
+          # MATURIN_PEP517_ARGS so sedonadb's features don't leak.
+          unset MATURIN_PEP517_ARGS
+          pip install -e "python/sedonadb-zarr/[test]" -vv
 
       - name: Download minimal geoarrow-data assets
         run: |