Test with prerelease ArviZ

Author: michaelosthege

.github/workflows/pipeline.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Install dependencies
       run: |
         pip install -r requirements.txt
-        pip install -r requirements-dev.txt
+        pip install -r requirements-dev.txt --pre
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names