v0.11.0

ECOS v0.11.0

Diff since v0.10.2

Closed issues:

• Is it dangerous to use unsafe_wrap to pull solver solution? (#95)
• JuMP v0.21 Support (#97)

Merged pull requests:

• Install TagBot as a GitHub Action (#96) (@JuliaTagBot)
• accept Strings through MOI.RawParameter (#98) (@mlubin)
• Remove support for SingleVariable objective (#99) (@blegat)