support timeout for liveliness get operation

[milyin]

Describe the release item

Expose this in zenoh-c

impl<'a, 'b, Handler> LivelinessGetBuilder<'a, 'b, Handler> {
    /// Set query timeout.
    #[inline]
    // tags{rust.liveliness_get_builder.timeout, api.liveliness.request.timeout.set}
    pub fn timeout(mut self, timeout: Duration) -> Self {
        self.timeout = timeout;
        self
    }
}

[DenisBiryukov91]

It seems it is already there link

[milyin]

Agree, missed it