chore(ci): use ubuntu 22 for ci COMPASS-9941

[mabaasit]

The plan was to use ubuntu24 for all the CI tasks, but when running web tests on Ubuntu24 AppArmor blocks electron proxy that's needed for tests (DEVPROD-22850). So I bumped it to ubuntu22 for now.

Description

Checklist

• New tests and/or benchmarks are included
• Documentation is changed or added
• If this change updates the UI, screenshots/videos are added and a design review is requested
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Bugfix
• New feature
• Dependency update
• Misc

Open Questions

Dependents

Types of changes

• Backport Needed
• Patch (non-breaking change which fixes an issue)
• Minor (non-breaking change which adds functionality)
• Major (fix or feature that would cause existing functionality to change)

[Copilot]

Pull Request Overview

Updates CI build variants to run on Ubuntu 22.04 instead of 20.04 due to issues with Ubuntu 24 and AppArmor blocking the Electron proxy.

• Replaces run_on: ubuntu2004-large with run_on: ubuntu2204-large across Evergreen build variants.
• Adds an inline comment explaining temporary avoidance of Ubuntu 24.
• Leaves some display_name fields still referencing "Ubuntu 20.04", creating inconsistencies.

Reviewed Changes

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

File	Description
.evergreen/buildvariants-and-tasks.yml	Generated Evergreen config updated to use ubuntu2204-large for all affected variants.
.evergreen/buildvariants-and-tasks.in.yml	Source template updated similarly; added explanatory comment for Ubuntu 24 issue.

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[Copilot]

Correct spelling of 'eletron' to 'electron'.

Suggested change

	# DEVPROD-22850: On ubuntu24.02, AppArmor blocks eletron proxy used in web tests.
	# DEVPROD-22850: On ubuntu24.02, AppArmor blocks electron proxy used in web tests.