Reduce git repo clone depth in Dockerfile

Author: PeterDaveHello

Dockerfile

@@ -3,7 +3,7 @@ FROM python:3.8-alpine
 RUN apk upgrade --no-cache
 RUN apk add --no-cache rust cargo openssl-dev libffi-dev py3-pip python3 samba-client samba-common-tools yaml-dev
 RUN apk add --no-cache --virtual build-dependencies build-base git \
-  && git clone https://github.com/cddmp/enum4linux-ng.git \
+  && git clone --depth 1 https://github.com/cddmp/enum4linux-ng.git \
   && pip install --no-cache-dir -r enum4linux-ng/requirements.txt \
   && apk del build-dependencies
 WORKDIR enum4linux-ng