one dependency doesn't have a windows possibility

[squillace]

using https://github.com/squillace/cnab-dapr as a test case, using npm install from built version:

run `npm audit fix` to fix them, or `npm audit` for details
PS C:\Users\rasquill\Documents\CNAB\cnab-dapr\-cnab> npm audit fix
npm WARN [email protected] No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

up to date in 8.969s
fixed 0 of 3 vulnerabilities in 8097 scanned packages
  2 package updates for 3 vulns involved breaking changes
  (use `npm audit fix --force` to install breaking changes; or refer to `npm audit` for steps to fix these manually)     
PS C:\Users\rasquill\Documents\CNAB\cnab-dapr\-cnab> npm install [email protected]
npm WARN deprecated [email protected]: One of your dependencies needs to upgrade to fsevents v2: 1) Proper nodejs v10+ support 2) No more fetching binaries from AWS, smaller package size
npm WARN [email protected] No repository field.

npm ERR! code EBADPLATFORM
npm ERR! notsup Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm ERR! notsup Valid OS:    darwin
npm ERR! notsup Valid Arch:  any
npm ERR! notsup Actual OS:   win32
npm ERR! notsup Actual Arch: x64