Replace Dir.exists?/File.exists? with Dir.exist?/File.exist?

`Dir.exists?` and `File.exists?` removed from Ruby 3.2.0
https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/

appveyor.yml

@@ -60,7 +60,7 @@ install:
 
 build_script:
   - set SSL_CERT_FILE=C:/ruby24-x64/ssl/cert.pem
-  - ruby -rfileutils -e 'FileUtils.rm_r(File.join(Gem.dir, "cache", "bundler")) if Dir.exists?(File.join(Gem.dir, "cache", "bundler"))'
+  - ruby -rfileutils -e 'FileUtils.rm_r(File.join(Gem.dir, "cache", "bundler")) if Dir.exist?(File.join(Gem.dir, "cache", "bundler"))'
   - bundle install --jobs 3 --retry 3
   - net user
   - net localgroup

lib/serverspec/setup.rb

@@ -127,7 +127,7 @@ def self.safe_create_spec
 end
 EOF
 
-      if File.exists? "spec/#{@hostname}/sample_spec.rb"
+      if File.exist? "spec/#{@hostname}/sample_spec.rb"
         old_content = File.read("spec/#{@hostname}/sample_spec.rb")
         if old_content != content
           $stderr.puts "!! spec/#{@hostname}/sample_spec.rb already exists and differs from template"
@@ -141,7 +141,7 @@ def self.safe_create_spec
     end
 
     def self.safe_mkdir(dir)
-      if File.exists? dir
+      if File.exist? dir
         unless File.directory? dir
           $stderr.puts "!! #{dir} already exists and is not a directory"
         end
@@ -153,7 +153,7 @@ def self.safe_mkdir(dir)
 
     def self.safe_create_spec_helper
       content = ERB.new(spec_helper_template, nil, '-').result(binding)
-      if File.exists? 'spec/spec_helper.rb'
+      if File.exist? 'spec/spec_helper.rb'
         old_content = File.read('spec/spec_helper.rb')
         if old_content != content
           $stderr.puts "!! spec/spec_helper.rb already exists and differs from template"
@@ -196,7 +196,7 @@ def self.safe_create_rakefile
   end
 end
       EOF
-      if File.exists? 'Rakefile'
+      if File.exist? 'Rakefile'
         old_content = File.read('Rakefile')
         if old_content != content
           $stderr.puts '!! Rakefile already exists and differs from template'
@@ -212,7 +212,7 @@ def self.safe_create_rakefile
     def self.find_vagrantfile
       Pathname.new(Dir.pwd).ascend do |dir|
         path = File.expand_path('Vagrantfile', dir)
-        return path if File.exists?(path)
+        return path if File.exist?(path)
       end
       nil
     end
@@ -334,7 +334,7 @@ def self.safe_create_dotrspec
 --color
 --format documentation
       EOF
-      if File.exists? '.rspec'
+      if File.exist? '.rspec'
         old_content = File.read('.rspec')
         if old_content != content
           $stderr.puts '!! .rspec already exists and differs from template'