chore(deps): update lukka/get-cmake action to v4.2.0

[openvpn-inc-ci]

This PR contains the following updates:

Package	Type	Update	Change
lukka/get-cmake	action	minor	v4.1.2 -> v4.2.0

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Release Notes

lukka/get-cmake (lukka/get-cmake)

v4.2.0: CMake v4.2.0

Compare Source

The get-cmake action downloads and caches CMake and Ninja on your workflows. Versions can be specified using semantic versioning ranges using cmakeVersion and ninjaVersion inputs.

Changes:

• latest is now using CMake version v4.2.0, use this one-liner e.g.:
  uses: lukka/get-cmake@latest

Enjoy!

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Configuration

📅 Schedule: Branch creation - Between 12:00 AM and 03:59 AM, on day 1 of the month ( * 0-3 1 * * ) (UTC), 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.

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