Move rake and rspec to gemspec as development dependencies

Author: jsmmr

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## [Unreleased]
 
 - Fix a typo in `Strategyable#strategize` where it incorrectly called `strategy!` instead of `strategize!`.`
+- Move `rake` and `rspec` from `Gemfile` to `callable_tree.gemspec` as development dependencies.
 
 ## [0.3.10] - 2022-12-30
 

Gemfile

@@ -5,6 +5,3 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in callable_tree.gemspec
 gemspec
 
-gem 'rake', '~> 13.3'
-
-gem 'rspec', '~> 3.13'

callable_tree.gemspec

@@ -30,6 +30,9 @@ Gem::Specification.new do |spec|
   # Uncomment to register a new dependency of your gem
   # spec.add_dependency "example-gem", "~> 1.0"
 
+  spec.add_development_dependency 'rake', '~> 13.3'
+  spec.add_development_dependency 'rspec', '~> 3.13'
+
   # For more information and examples about making a new gem, checkout our
   # guide at: https://bundler.io/guides/creating_gem.html
   spec.metadata['rubygems_mfa_required'] = 'true'