update vulnerable dep

kontent-ai-delivery.gemspec

@@ -4,7 +4,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = 'kontent-ai-delivery'
-  spec.version       = '3.0.1'
+  spec.version       = '3.0.2'
   spec.authors       = ['Kontent.ai DevRel']
   spec.email         = ['[email protected]']
   spec.summary       = 'Kontent.ai Delivery SDK for Ruby'
@@ -27,7 +27,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency('nokogiri', '~> 1.13', '>= 1.13.8')
+  spec.add_runtime_dependency('nokogiri', '~> 1.15.6')
   spec.add_runtime_dependency('rest-client', '~> 2.1')
   spec.add_runtime_dependency('ffi', '~> 1.9', '>= 1.9.10')
   spec.add_development_dependency('bundler', '~> 2.3', '>= 2.3.22')

lib/delivery/client/delivery_query.rb

@@ -15,7 +15,7 @@ class DeliveryQuery
                         '. See https://github.com/kontent-ai/delivery-sdk-ruby#filtering'.freeze
         HEADER_WAIT_FOR_CONTENT = 'X-KC-Wait-For-Loading-New-Content'.freeze
         HEADER_SDK_ID = 'X-KC-SDKID'.freeze
-        HEADER_SDK_VALUE = 'rubygems.org;kontent-ai-delivery;3.0.1'.freeze
+        HEADER_SDK_VALUE = 'rubygems.org;kontent-ai-delivery;3.0.2'.freeze
         HEADER_CONTINUATION = 'X-Continuation'.freeze
         attr_accessor :use_preview,
                       :preview_key,