pull less data from bundle for test

Author: jepler

.github/workflows/build.yml

@@ -45,7 +45,7 @@ jobs:
     - name: Test building bundle
       run: |
         # Use the community bundle because it's smaller and faster
-        git clone --recurse-submodules https://github.com/adafruit/CircuitPython_Community_Bundle.git
+        git clone --filter=blob:none --also-filter-submodules --recurse-submodules https://github.com/adafruit/CircuitPython_Community_Bundle.git
         cd CircuitPython_Community_Bundle
         circuitpython-build-bundles --filename_prefix test-bundle --library_location libraries --library_depth 2
     - name: Munge tests