ci: Use ansible 2.19 for fedora 42 testing; support python 3.13

[richm]

NOTE: This also requires upgrading to tox-lsr 3.11.0

Ansible 2.19 will be released soon and has some changes which will
require fixes in system roles. This adds 2.19 to our testing matrix
on fedora 42 so that we can start addressing these issues.

python 3.13 is now being used on some platforms.

Using ansible-core 2.18 requires using py311 for pylint and other
python checkers.

[sourcery-ai]

Reviewer's Guide

Updates CI workflows to include Python 3.13 testing, bump the tox-lsr plugin to 3.11.0, and switch Fedora-42 ansible-core tests to version 2.19.

File-Level Changes

Change	Details	Files
Add Python 3.13 to the testing matrix	Introduce ver: "3.13" entry in the Python unit-test workflow	.github/workflows/python-unit-test.yml
Upgrade tox-lsr to version 3.11.0 in CI installs	Update pip install references from tox-lsr@3.10.0 to tox-lsr@3.11.0	.github/workflows/python-unit-test.yml .github/workflows/qemu-kvm-integration-tests.yml .github/workflows/ansible-lint.yml .github/workflows/ansible-managed-var-comment.yml .github/workflows/ansible-test.yml
Switch Fedora-42 tests to ansible-core 2.19	Change qemu-kvm integration env to use ansible-core 2.19 Update tft matrix to set ansible_version 2.19 for Fedora-42	.github/workflows/qemu-kvm-integration-tests.yml .github/workflows/tft.yml

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[sourcery-ai]

Hey @richm - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Review instructions: all looks good
• 🟢 Testing: all looks good
• 🟢 Documentation: all looks good

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