[vulnerability] CVE-2020-28499 in `exec-sh`, please update.

[SH2282000]

Hi,

due to GHSA-7wpw-2hjm-89gp, could you please update your version of exec-sh (to a release made after this commit tsertkov/exec-sh@933cc02)

Thank you!

[tomchiverton]

Workaround might be to add

  "overrides": {
    "exec-sh":"^0.3.4"
  }

to your project's package.json