Update Dockerfile

Fixing the dependency error. Certifi's last python 2.7 release is 2020.04.5, otherwise the docker run command will raise a error.

Author: gu4xin1m

docker/Dockerfile

@@ -10,6 +10,8 @@ WORKDIR /root/NoSqlMap
 
 RUN python setup.py install
 
+RUN python -m pip install requests 'certifi<=2020.4.5.1'
+
 COPY entrypoint.sh /tmp/entrypoint.sh
 RUN chmod +x /tmp/entrypoint.sh