Fix Zoo CI: Add disk cleanup before tests

GitHub-hosted runners ran out of disk space when pulling the Docker image.
Added cleanup step to remove unused packages before running tests.

Author: hanzo-dev

.github/workflows/main.yaml

@@ -76,6 +76,12 @@ jobs:
     permissions:
       packages: read
     steps:
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
+          sudo docker system prune -af
+          df -h
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -99,6 +105,12 @@ jobs:
     permissions:
       packages: read
     steps:
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc /opt/hostedtoolcache/CodeQL
+          sudo docker system prune -af
+          df -h
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with: