Backport yard minimum version fix to next

Raise the next branch floor to the patched YARD release range and refresh the lockfile from 0.9.38 to 0.9.43 to clear the vulnerable dependency state.

Author: evolve75

Gemfile.lock

@@ -111,7 +111,7 @@ GEM
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
-    yard (0.9.38)
+    yard (0.9.43)
 
 PLATFORMS
   ruby
@@ -133,7 +133,7 @@ DEPENDENCIES
   simplecov-lcov (~> 0.9)
   stringio (~> 3.0, >= 3.0.1.1)
   test-unit (~> 3.7)
-  yard (~> 0.9)
+  yard (~> 0.9, >= 0.9.42)
 
 BUNDLED WITH
    2.6.9

rubytree.gemspec

@@ -84,7 +84,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'simplecov-lcov', '~> 0.9'
   s.add_development_dependency 'stringio', '~> 3.0', '>= 3.0.1.1'
   s.add_development_dependency 'test-unit', '~> 3.7'
-  s.add_development_dependency 'yard', '~> 0.9'
+  s.add_development_dependency 'yard', '~> 0.9', '>= 0.9.42'
   s.add_development_dependency 'bundler-audit', '~> 0.9'
 
   s.post_install_message = <<-END_MESSAGE