fix: declare the standard library gems the driver requires

.rubocop.yml

@@ -6,4 +6,3 @@ AllCops:
   TargetRubyVersion: 3.1
   Exclude:
     - "vendor/**/*"
-    - "spec/**/*"

.yardopts

@@ -1,5 +1,4 @@
 --markup markdown
---markup-provider redcarpet
 --output-dir doc
 --readme README.md
 --no-private

Gemfile

@@ -16,6 +16,5 @@ group :cookstyle do
 end
 
 group :docs do
-  gem "redcarpet"
   gem "yard"
 end

kitchen-google.gemspec

@@ -17,5 +17,13 @@ Gem::Specification.new do |s|
   s.add_dependency "google-apis-compute_v1", ">= 0.75"
   s.add_dependency "test-kitchen", ">= 3.0", "< 5.0"
 
+  # Formerly part of the standard library. These are no longer default gems,
+  # so they must be declared rather than assumed present.
+  s.add_dependency "base64", ">= 0.1"
+  s.add_dependency "date", ">= 3.2"
+  s.add_dependency "json", ">= 2.5"
+  s.add_dependency "securerandom", ">= 0.1"
+  s.add_dependency "timeout", ">= 0.2"
+
   s.required_ruby_version = ">= 3.1"
 end