ci: pin to dascore==0.0.8

Author: machow

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
           # TODO: temporary installs for examples
           # once quartodoc is stable we should move into their own libraries
           python -m pip install shiny shinylive
-          python -m pip install --no-deps dascore
+          python -m pip install --no-deps dascore==0.0.8
       - uses: quarto-dev/quarto-actions/setup@v2
       - name: Build docs
         run: |