ci fix pt.2

Author: yiyuan-he

resources/aws/README.md

@@ -38,6 +38,7 @@ end
 
 ### AWS EC2 Detector
 
+<!-- cspell:ignore Fargate -->
 Populates `cloud` and `host` for processes running on Amazon EC2, including abstractions such as ECS on EC2. Notably, it does not populate anything on AWS Fargate.
 
 | Resource Attribute | Description |

resources/aws/opentelemetry-resource-detector-aws.gemspec

@@ -25,7 +25,6 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = '>= 2.5.0'
 
   spec.add_dependency 'opentelemetry-sdk', '~> 1.0'
-  spec.add_dependency 'base64', '>= 0.1.0'
 
   spec.add_development_dependency 'bundler', '>= 1.17'
   spec.add_development_dependency 'minitest', '~> 5.0'