try full Anaconda CI build

Author: jmrohwer

.github/workflows/build-conda.yml

@@ -11,8 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macOS-10.15]
-#        os: [ubuntu-latest, windows-2019, macOS-10.15]
+        os: [ubuntu-latest, windows-2019, macOS-10.15]
     name: Build Anaconda packages on ${{ matrix.os }}
 
     steps:

packaging/conda/conda_build_config.yaml

@@ -1,11 +1,11 @@
 python:
   - 3.7
-#  - 3.8
-#  - 3.9
+  - 3.8
+  - 3.9
 numpy:
   - 1.16
-#  - 1.17
-#  - 1.20
+  - 1.17
+  - 1.20
 zip_keys:
   - python
   - numpy