Add new `.find_all_by_tz_name` and `.find_all_by_timezone` finders #86

	name: 'Test and lint'
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	lint-and-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby-version: ['2.6', '2.7', '3.0', '3.1', '3.2.0-preview1']
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Setup Ruby ${{ matrix.ruby_version }}
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true
	ruby-version: ${{ matrix.ruby_version }}
	- name: Install dependencies
	run: bundle install
	- name: Lint Ruby files
	run: bundle exec rubocop
	- name: Run RSpec tests
	run: bundle exec rspec

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