Update ci.yml

Author: luochen88

.github/workflows/ci.yml

@@ -29,6 +29,8 @@ jobs:
         run: |
           docker run --rm --platform linux/arm/v7 -v $(pwd):/workspace -w /workspace arm32v7/python:3-slim \
           /bin/sh -c "
+          apt-get update && \
+          apt-get install -y git tar && \
           python -m venv venv && \
           . venv/bin/activate && \
           pip install --upgrade pip && \