Add scipy-only CI job

xref #8909

Author: dcherian

.github/workflows/ci.yaml

@@ -54,6 +54,9 @@ jobs:
           - env: "bare-minimum"
             python-version: "3.10"
             os: ubuntu-latest
+          - env: "bare-min-and-scipy"
+            python-version: "3.10"
+            os: ubuntu-latest
           - env: "min-all-deps"
             python-version: "3.10"
             os: ubuntu-latest

ci/requirements/bare-min-and-scipy.yml

@@ -0,0 +1,18 @@
+name: xarray-tests
+channels:
+  - conda-forge
+  - nodefaults
+dependencies:
+  - python=3.10
+  - coveralls
+  - pip
+  - pytest
+  - pytest-cov
+  - pytest-env
+  - pytest-mypy-plugins
+  - pytest-timeout
+  - pytest-xdist
+  - numpy=1.24
+  - packaging=23.1
+  - pandas=2.1
+  - scipy=1.11