Fix install of har-validator (#1268)
Fix install of har-validator (#1268)

The version 5.1.2 of har-validator was unpublished on npm.
See https://github.com/ahmadnassri/node-har-validator/issues/112
nono/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,nono/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop