Update standard requirement from ~> 0.1 to ~> 1.0

Updates the requirements on [standard](https://github.com/testdouble/standard) to permit the latest version.
- [Release notes](https://github.com/testdouble/standard/releases)
- [Changelog](https://github.com/testdouble/standard/blob/master/CHANGELOG.md)
- [Commits](standardrb/standard@v0.1.0...v1.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

complicode.gemspec

@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rubocop-rspec", "~> 2.0"
   spec.add_development_dependency "simplecov", "~> 0.16"
   spec.add_development_dependency "smarter_csv", "~> 1.2"
-  spec.add_development_dependency "standard", "~> 0.1"
+  spec.add_development_dependency "standard", "~> 1.0"
 end