Adding missing dependencies

Author: vitenti

.github/workflows/publish.yml

@@ -34,7 +34,7 @@ jobs:
           show-channel-urls: true
           use-mamba: true
       - name: Create environment
-        run: mamba create -v -q -n numcosmo numcosmo jupyter nbformat pandas plotnine
+        run: mamba create -v -q -n numcosmo numcosmo jupyter nbformat pandas plotnine getdist
       - name: Activate Conda Environment
         run: conda activate numcosmo
       - name: Quarto Render