Update the tested up to version for the gutenberg plugin

[shail-mehta]

What?

Updates the Tested up to version for the plugin in readme.txt file

Similar to #50360

[github-actions]

The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs. You can also manually ask me to refresh this list by adding the props-bot label.

If you're merging code through a pull request on GitHub, copy and paste the following into the bottom of the merge commit message.

Co-authored-by: shail-mehta <shailu25@git.wordpress.org>

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

[github-actions]

Warning: Type of PR label mismatch

To merge this PR, it requires exactly 1 label indicating the type of PR. Other labels are optional and not being checked here.

• Required label: Any label starting with [Type].
• Labels found: Gutenberg Plugin.

Read more about Type labels in Gutenberg. Don't worry if you don't have the required permissions to add labels; the PR reviewer should be able to help with the task.

[github-actions]

Flaky tests detected in e18a7ba.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/20671912542
📝 Reported issues:

• [Flaky Test] should show the original content after revert and page reload #68604 in /test/e2e/specs/site-editor/template-revert.spec.js

[t-hamano]

Thanks for the PR!

As this comment states, it appears that updating the "Tested up to" field alone is not recommended. It appears that an update to this field is planned as part of #70023, so let me close this PR.

cc @Mamaduka