Update dependencies

Gemfile.lock

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    aws_paa (0.1.0)
+    aws_paa (0.0.1)
       aws-sigv4 (~> 1)
-      http (~> 0.1)
+      http (~> 4)
 
 GEM
   remote: https://rubygems.org/
@@ -17,14 +17,14 @@ GEM
     byebug (11.0.1)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    http (0.9.9)
+    http (4.1.1)
       addressable (~> 2.3)
       http-cookie (~> 1.0)
-      http-form_data (~> 1.0.1)
+      http-form_data (~> 2.0)
       http_parser.rb (~> 0.6.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    http-form_data (1.0.3)
+    http-form_data (2.1.1)
     http_parser.rb (0.6.0)
     minitest (5.11.3)
     public_suffix (4.0.1)

aws_paa.gemspec

@@ -33,6 +33,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "byebug"
   spec.add_development_dependency "awesome_print"
 
-  spec.add_dependency 'http', '~> 0.1'
+  spec.add_dependency 'http', '~> 4'
   spec.add_dependency 'aws-sigv4', '~> 1'
 end