upgrade Pants and Toolchain plugin

[tdyas]

Upgrade Pants to v2.14.0rc3 and Toolchain plugin to v0.24.0.

[tdyas]

CI has the following warning:

15:39:30.10 [WARN] Pants cannot infer owners for the following imports in the target helloworld/translator/translator_test.py:tests:

  * pytest (line: 4)

If you do not expect an import to be inferrable, add `# pants: no-infer-dep` to the import line. Otherwise, see https://www.pantsbuild.org/v2.14/docs/troubleshooting#import-errors-and-missing-dependencies for common problems.

Does pytest need to be added to requirements.txt or somewhere else?

[tdyas]

I'll also need to update the tailor CI setup due to:

Instead, you should provide arguments like this:

  * `./pants tailor ::` to run on everything
  * `./pants tailor dir::` to run on `dir` and subdirs
  * `./pants tailor dir` to run on `dir`
  * `./pants --changed-since=HEAD tailor` to only run on changed and new files

[Eric-Arellano]

Does pytest need to be added to requirements.txt or somewhere else?

Yeah

[Eric-Arellano]

Thanks

[asherf]

see: #117
this can be closed.

[asherf]

I can follow up with the other changes in this PR once #117 lands.