chore(install): switch to fetch Ubuntu 20.04 image in Dockerfile

Only a simple number modify just as the title said.
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Masco Skray 2020-05-01 23:40:16 +08:00 committed by GitHub
parent 6286e41c11
commit 9a6f16cf1d
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@ -1,4 +1,4 @@
FROM ubuntu:18.04
FROM ubuntu:20.04
MAINTAINER MascoSkray <MascoSkray@gmail.com>
ARG CLONE_ADDFLAG