Update ruby and Rails version

[Mathiyarasy]

Fixes: https://github.com/github/vuln-mgmt/issues/192689
Fixes prebuilds failure due to ruby requirement : https://github.com/github/codespaces-rails/actions/runs/23886407404

• Bump Rails to 8.1.x
• Updated sqlite3 to ~> 2.1 to restore compatibility with the Rails 8.1 upgrade (lockfile currently resolves to 2.9.2).
• Bump Ruby requirement to >= 3.4.0 (recommended) since the prebuilds failed with: “Your Ruby version is 3.4.8, but your Gemfile specified ~> 3.3.0.”

[Copilot]

Pull request overview

Updates the app’s Ruby/Rails stack to newer versions to resolve prebuild failures and align dependencies (notably sqlite3) with the upgraded Rails release.

Changes:

• Bumped Ruby requirement from ~> 3.3.0 to ~> 3.4.0.
• Bumped Rails requirement from ~> 7.1.3 to ~> 8.1.0.
• Updated Gemfile.lock to reflect the new resolved dependency set (including sqlite3 2.x).

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated 1 comment.

File	Description
Gemfile	Updates version constraints for Ruby, Rails, and sqlite3.
Gemfile.lock	Re-locks dependencies for Rails 8.1.x / Ruby 3.4.x and sqlite3 2.x compatibility.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.