[PLT-1394] Bump Flux version to 2.14.1

[unai-ttxu]

Description

Please add the PR description here.

Related Pull Requests

• PR number: brief description (e.g. "documentation")
• PR number: brief description (e.g. "tests enhancements")

Pull Request Checklist:

• [PR title] Include a title referencing a ticket in Jira (e.g. "[CLOUDS-99] Implement a new funcionality").
• [PR desc] Add a summary of the changes made in simple terms.
• [PR desc] List any pull-request related to this change (docs, tests, feature, etc.).
• [PR labels] Add the corresponding labels (release, skips, cherry-pick, AT-eks-smoke, etc).
• [Docs] Are changes to the documentation required? (if so, please add references to those PRs).
• [QA] Are new unit tests required according with the changes? (if so, please add references to those PRs).