i3status-rust: update to 0.14.7.

[jcgruenhage]

General

• This is a new package and it conforms to the quality requirements

Have the results of the proposed changes been tested?

• I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me
• I generally don't use the affected packages but briefly tested this PR

[ericonr]

 thread 'run_binary::release_build' panicked at 'failed to execute process: Os { code: 2, kind: NotFound, message: "No such file or directory" }', tests/run_binary.rs:21:14
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

it probably wants some executable to run?

[jcgruenhage]

it probably wants some executable to run?

well, yeah it does, but the integration test as it's implemented will need patching to work with our infra, and really the only thing it's testing that there is an executable, so I've just disabled this test for now.