fixing bundler version linter error

"Because the current Bundler version (2.7.1) does not satisfy bundler ~> 2.6.3 and Gemfile depends on bundler ~> 2.6.3, version solving has failed."

Author: RRudder

bugcrowd_templates.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.required_ruby_version = '>= 3.0'
 
-  spec.add_development_dependency 'bundler', '~> 2.6.3'
+  spec.add_development_dependency 'bundler', '~> 2.7.1'
   spec.add_development_dependency 'pry', '~> 0.14.2'
   spec.add_development_dependency 'rake', '~> 13.0.6'
   spec.add_development_dependency 'rspec', '~> 3.12'