Update s4u/setup-maven-action action to v1.15.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
s4u/setup-maven-action	action	minor	v1.14.0 -> v1.15.0

---

Release Notes

s4u/setup-maven-action (s4u/setup-maven-action)

v1.15.0

Compare Source

What's Changed

🔥 New features

• Add checkout-submodules parameter (#​85) @​dabico
• chore: add checkout-ssh-key as input to allow git commits after the checkout (#​86) @​afonso-vilela
• Add checkout enable boolean (#​90) @​7adityaraj
• Maven 3.9.9 as default (#​92) @​slawekjaranowski
• Pin setup-java to latest SHA (#​93) @​slawekjaranowski

🧰 Dependency updates

• Bump actions/checkout from 4.1.7 to 4.2.0 (#​89) @​dependabot
• Bump actions/cache from 4.0.2 to 4.1.0 (#​94) @​dependabot

❤️ Thanks

Many thanks for collaboration on this release for: @​7adityaraj, @​afonso-vilela, @​dabico, @​slawekjaranowski and Afonso Vilela

---

Configuration

📅 Schedule: Branch creation - "on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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 was generated by Mend Renovate. View the repository job log.