Technical/Update CircleCI config (#72)

* Added checking of default gemspec config * Update CircleCI config

Author: bestwebua

.circleci/config.yml

@@ -163,6 +163,20 @@ jobs:
  name: Running compatibility tests
  command: bundle exec rspec
 
+ rubygems-deps-ruby:
+ parameters:
+ ruby-version:
+ type: string
+
+ <<: *defaults
+
+ steps:
+ - checkout
+
+ - run:
+ name: Building rubygems dependencies from default gemspec on minimal Ruby version
+ command: bundle install
+
  releasing-gem-from-ruby:
  parameters:
  ruby-version:
@@ -196,11 +210,16 @@ workflows:
  matrix:
  parameters:
  ruby-version: ["2.5", "2.6", "2.7", "3.0", "3.1"]
+ - rubygems-deps-ruby:
+ matrix:
+ parameters:
+ ruby-version: ["2.5"]
  - releasing-gem-from-ruby:
  requires:
  - linters-ruby
  - tests-ruby
  - compatibility-ruby
+ - rubygems-deps-ruby
  matrix:
  parameters:
  ruby-version: ["2.5"]