Merge tag 'v4.15.1'

v4.15.1

 - [Robustness] `test` observably looks up `exec` on the object
 - [Deps] update `minimist`
 - [meta] ensure `prelint` works on windows
 - [meta] improve `prelint` script when no `.git` dir is present
 - [meta] remove unused travis.yml file
 - [Dev Deps] update `eslint`, `@ljharb/eslint-config`
 - [Tests] handle a broken error `cause` in node 16.9/16.10

Author: ljharb