MONGOID-5904 Use new toolchain

[comandeo-mongo]

No description provided.

[Copilot]

Pull Request Overview

This PR migrates the project to a new toolchain by updating the Ruby environment setup and MongoDB Orchestration configuration. The changes remove Docker-based testing infrastructure in favor of direct installation of Ruby via rbenv and update Evergreen CI configuration to align with new tooling standards.

Key changes:

• Replace Docker-based Ruby environment setup with direct rbenv installation
• Standardize topology naming conventions across configuration files (e.g., standalone → server, replica-set → replica_set)
• Update MongoDB Orchestration bootstrap process and environment variable handling

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
spec/shared	Updates subproject commit reference
gemfiles/standard.rb	Adds rspec_junit_formatter gem dependency
.mod/drivers-evergreen-tools	Updates subproject commit reference
.evergreen/run-tests.sh	Replaces Docker-based setup with rbenv installation; removes MongoDB server launch logic
.evergreen/config/variants.yml.erb	Standardizes topology naming and updates OS versions from Ubuntu 20.04 to 22.04
.evergreen/config/commands.yml.erb	Adds MongoDB Orchestration bootstrap function and updates test execution to use direct shell script
.evergreen/config/axes.yml.erb	Standardizes topology naming and removes Docker-related OS configurations
.evergreen/config.yml	Mirrors changes from commands.yml.erb and axes.yml.erb templates

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