Update gems

[dcollie2]

Updates gems. Also changes :unprocessable_entity to :unprocessable_content to eliminate deprecation warning when running specs.

[Copilot]

Pull Request Overview

This PR updates gems and addresses deprecation warnings by replacing the deprecated :unprocessable_entity HTTP status symbol with :unprocessable_content throughout the codebase.

• Updates gem dependencies
• Replaces deprecated :unprocessable_entity status with :unprocessable_content in controllers and specs
• Maintains the same HTTP 422 status code while using the updated Rails convention

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
spec/requests/users_spec.rb	Updates test expectations to use :unprocessable_content status
spec/requests/regions_spec.rb	Updates test expectations to use :unprocessable_content status
spec/requests/providers_spec.rb	Updates test expectations to use :unprocessable_content status
app/controllers/users_controller.rb	Updates controller responses to use :unprocessable_content status
app/controllers/uploads_controller.rb	Updates controller responses to use :unprocessable_content status
app/controllers/topics_controller.rb	Updates controller responses to use :unprocessable_content status
app/controllers/tags_controller.rb	Updates controller responses to use :unprocessable_content status
app/controllers/regions_controller.rb	Updates controller responses to use :unprocessable_content status
app/controllers/providers_controller.rb	Updates controller responses to use :unprocessable_content status

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