Update Dockerfile

Dockerfile

@@ -7,6 +7,9 @@ RUN set -eux; \
     apt-get install -y git build-essential libffi-dev; \
     rm -rf /var/lib/apt/lists/*
 
+# https://github.com/actions/runner-images/issues/6775
+RUN git config --system --add safe.directory *
+
 COPY src/requirements.txt ./
 RUN pip install -r requirements.txt