chore(deps): update splunk/addonfactory-test-matrix-action action to v1.13.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
splunk/addonfactory-test-matrix-action	action	patch	v1.13.0 -> v1.13.1

---

Release Notes

splunk/addonfactory-test-matrix-action (splunk/addonfactory-test-matrix-action)

### [`v1.13.1`](https://togithub.com/splunk/addonfactory-test-matrix-action/releases/tag/v1.13.1) [Compare Source](https://togithub.com/splunk/addonfactory-test-matrix-action/compare/v1.13.0...v1.13.1) ##### Bug Fixes - bump splunk version ([#​157](https://togithub.com/splunk/addonfactory-test-matrix-action/issues/157)) ([a37a61e](https://togithub.com/splunk/addonfactory-test-matrix-action/commit/a37a61e902aef27463c463b1feaa8fdffe36e8c5))

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.