Draft: Update Ruby dependencies

This MR contains the following updates:

Package	Update	Change
adsf	patch	~> 1.4 -> ~> 1.4.0
adsf-live	patch	~> 1.4 -> ~> 1.4.0
builder	patch	~> 3.2 -> ~> 3.2.0
highline	patch	~> 2.0 -> ~> 2.0.0
nanoc	minor	~> 4.10 -> ~> 4.11.0
nokogiri	patch	~> 1.10.3 -> ~> 1.10.0
pry-byebug	minor	~> 3.7 -> ~> 3.9.0
rake	patch	~> 12.3 -> ~> 12.3.0
rouge	minor	~> 3.11 -> ~> 3.23.0
rspec	minor	~> 3.5 -> ~> 3.9.0
sassc	minor	~> 2.0 -> ~> 2.4.0
scss_lint	minor	~> 0.57 -> ~> 0.59.0

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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