Update test-model.yml clean up dependencies

.github/workflows/test-model.yml

@@ -17,6 +17,20 @@ jobs:
           fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
           lfs: 'true'
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          swap-storage: true
       - name: Add conda to system path
         run: echo $CONDA/bin >> $GITHUB_PATH