Use `node['platform_version']` & support `Ubuntu 22.04` for timezone setting:

cookbooks/base/default.rb

@@ -66,8 +66,9 @@ include_recipe './lsyncd.rb'
 # Install starship command:
 include_recipe './starship.rb'
 
-# recipes for Ubuntu 20.04
-if node['platform_version'].to_f == 20.04
+# recipes for Ubuntu 20.04 and later
+case node['platform_version']
+when "20.04", "22.04"
   remote_file '/etc/multipath.conf' do
     owner 'root'
     group 'root'

cookbooks/base/timezone.rb

@@ -1,5 +1,5 @@
-case run_command('grep VERSION_ID /etc/os-release | awk -F\" \'{print $2}\'').stdout.chomp
-when "18.04", "20.04"
+case node['platform_version']
+when "18.04", "20.04", "22.04"
   execute 'timedatectl set-timezone Asia/Tokyo' do
     not_if 'timedatectl | grep Tokyo'
   end