Revert CI to ubuntu-latest

[tishun]

Make sure that:

• You have read the contribution guidelines.
• You have created a feature request first to discuss your contribution intent. Please reference the feature request ticket number in the pull request.
• You applied code formatting rules using the mvn formatter:format target. Don’t submit any formatting related changes.
• You submit test cases (unit or integration tests) that back your changes.

[Copilot]

Pull Request Overview

This pull request reverts the CI configuration back to ubuntu-latest and temporarily disables a failing test for the Sentinel ACL integration.

• Reverts the CI runner from ubuntu-24.04 to ubuntu-latest
• Disables the Sentinel ACL integration test to prevent failures on the latest Linux versions

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/test/java/io/lettuce/core/sentinel/SentinelAclIntegrationTests.java	Disables failing integration test with a note on Linux compatibility issues
.github/workflows/integration.yml	Changes CI runner back to ubuntu-latest

Comments suppressed due to low confidence (1)

src/test/java/io/lettuce/core/sentinel/SentinelAclIntegrationTests.java:32

• Consider adding a reference (e.g., a ticket ID or a TODO comment) alongside the @disabled annotation to track the resolution of the Linux compatibility issue.

@Disabled("Failing with latest versions of Linux")