[DRE-maint] capistrano is marked for autoremoval from testing

[Debian testing autoremoval watch]

capistrano 3.10.0-1 is marked for autoremoval from testing on 2018-10-16

It is affected by these RC bugs:
907996: capistrano: FTBFS randomly (failing tests)

It (build-)depends on packages with these RC bugs:
888163: ruby-net-ssh: FTBFS on ruby2.5: OpenSSL::Digest::DSS1