fix grunt version

2 jobs for master in 33 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
failed #32554
build

00:00:33

 
  Publish
skipped #32555
allowed to fail manual
publish
 
Name Stage Failure
failed
build Build
$ yarn install
yarn install v1.22.5
[1/4] Resolving packages...
[2/4] Fetching packages...
error yargs@17.6.2: The engine "node" is incompatible with this module. Expected version ">=12". Got "10.24.1"
error Found incompatible module.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1