Update build.yml

Need to request zip to recurse, because it is not the default

Author: jepler

.github/workflows/build.yml

@@ -116,7 +116,7 @@ jobs:
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static-raspbian s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-raspbian-${{ env.CP_VERSION }} --no-progress --region us-east-1
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-amd64-linux-${{ env.CP_VERSION }} --no-progress --region us-east-1
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp mpy-cross/mpy-cross.static.exe s3://adafruit-circuit-python/bin/mpy-cross/mpy-cross.static-x64-windows-${{ env.CP_VERSION }}.exe --no-progress --region us-east-1
-        zip -9 circuitpython-stubs.zip circuitpython-stubs
+        zip -9r circuitpython-stubs.zip circuitpython-stubs
         [ -z "$AWS_ACCESS_KEY_ID" ] || aws s3 cp circuitpython-stubs.zip s3://adafruit-circuit-python/bin/stubs/circuitpython-stubs-${{ env.CP_VERSION }}.zip --no-progress --region us-east-1
       env:
         AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}