see https://bugs.launchpad.net/ubuntu/+source/curl/+bug/2018342 https://github.com/acmesh-official/acme.sh/commit/b6f62ac446ab9ff78f4a90c4330dc314678545c9 https://github.com/acmesh-official/acme.sh/issues/4775
see https://bugs.launchpad.net/ubuntu/+source/curl/+bug/2018342
Reduce `acmetest` `git clone` depth to speed up CI pipeline
https://github.com/acmesh-official/acme.sh/issues/4215