Add Rails 8 testing support

[patch0]

No description provided.

[github-actions]

• GitHub Actions run #18689023118

Test coverage: 100.0%

[grega]

@patch0 does this need further work?

[Copilot]

Pull Request Overview

This PR adds testing support for Rails 8.0 to the project. The changes ensure that the test suite runs against Rails 8 while maintaining compatibility with earlier Rails versions by excluding incompatible Ruby version combinations.

• Added a Rails 8.0 gemfile configuration
• Updated CI workflow to include Rails 8.0 testing with appropriate Ruby version constraints
• Bumped default Ruby version to 3.3.6

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 1 comment.

File	Description
gemfiles/rails_8.0.gemfile	New gemfile for Rails 8.0 testing configuration
CHANGELOG.md	Documents the addition of Rails 8 testing support
.tool-versions	Updates Ruby version from 3.1.6 to 3.3.6
.github/workflows/test.yml	Adds Rails 8.0 to test matrix with Ruby 3.1 exclusion

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