Simplify ruby setup per latest CircleCI docs at https://circleci.com/…

…docs/testing-ios/.

.circleci/config.yml

@@ -1,5 +1,8 @@
 version: 2.1
 
+orbs:
+ macos: circleci/macos@2
+
 jobs:
  swift-package:
  executor: xcode-14
@@ -57,28 +60,21 @@ commands:
  description: "Shared setup"
  steps:
  - checkout
- - restore-gems
+ - switch-ruby
 
- restore-gems:
- description: "Restore Ruby Gems"
+ switch-ruby:
+ description: "Switch Ruby"
  steps:
- - run:
- name: Set Ruby Version
- command: echo "ruby-3.0.6" > ~/.ruby-version
- - restore_cache:
- key: 1-gems-{{ checksum "Gemfile.lock" }}
- - run: bundle check || bundle config set --local path 'vendor/bundle' && bundle install
- - save_cache:
- key: 1-gems-{{ checksum "Gemfile.lock" }}
- paths:
- - vendor/bundle
+ - macos/switch-ruby:
+ version: "3.0.6"
+ - run: bundle install
 
  lint-pod:
  description: "Lints podspec with specified Swift version"
  parameters:
  swift-version:
  type: string
- default: "5.0"
+ default: "5.8"
  steps:
  - run: bundle exec pod lib lint --swift-version=<< parameters.swift-version >>
 

.ruby-version

@@ -0,0 +1 @@
+3.0.6