fix whitespace in yaml

Author: dwhswenson

.github/workflows/test-suite.yml

@@ -28,10 +28,10 @@ jobs:
           - 3.8
           - 3.7
           - 3.6
-      INTEGRATIONS: [""]
-      include:
-        CONDA_PY: 3.9
-        INTEGRATIONS: ['all-optionals']
+        INTEGRATIONS: [""]
+        include:
+          CONDA_PY: 3.9
+          INTEGRATIONS: ['all-optionals']
 
     steps:
       - uses: actions/checkout@v2