Update rspec requirement from ~> 3.11.0 to ~> 3.12.0#204

dependabot[bot] wants to merge 1 commit intomasterimgproxy/imgproxy.rb:masterfrom

dependabot/bundler/rspec-tw-3.12.0imgproxy/imgproxy.rb:dependabot/bundler/rspec-tw-3.12.0Copy head branch name to clipboard