Update jpmcb/prow-github-actions action to v1.1.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
jpmcb/prow-github-actions	action	patch	v1.1.2 -> v1.1.3

---

Release Notes

jpmcb/prow-github-actions

### [`v1.1.3`](https://togithub.com/jpmcb/prow-github-actions/releases/v1.1.3) [Compare Source](https://togithub.com/jpmcb/prow-github-actions/compare/v1.1.2...v1.1.3) Bumps a few security vulnerabilities / dependencies

---

Configuration

📅 Schedule: 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 WhiteSource Renovate. View repository job log here.