Auto merge of #28720 - s-maurice:move_servo_version_from_config, r=jdm

move servo_version from out of config crate

`servo_version`'s contents are moved to `simpleservo::servo_version` in `ports/libsimpleservo/api/src/lib.rs`.
`servo_version`'s contents are also duplicated in a new function `servo_version` in `ports/winit/main2.rs`.

It's my first PR, I'm not really sure what is required. Let me know what I need to change to make this work. Thanks!

Signed-off-by: s-maurice <51819025+s-maurice@users.noreply.github.com>

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