[package] CLI11 should not be header only

[vasama]

Description

CLI11 supports building as a static library, but the Conan recipe is always header only.

Package and Environment Details

N/A

Conan profile

N/A

Steps to reproduce

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Logs

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[uilianries]

Correct. The CLI11 project offers an option to build static library: https://github.com/CLIUtils/CLI11/blob/v2.4.2/CMakeLists.txt#L82

I would suggest adding header-only option and enabling it by default, so we will not affect the current Package ID for users.

[vasama]

I implemented this here: https://github.com/vasama/conan-center-index/tree/cli11/precompiled
Waiting for access in #4.