Graph QL Upload does not exit with correct exit code.

Still happening in 0.15.0.

Notice that it said that validation failed but still did not exit with the proper exit code.

Logs from Github Actions:

Run yarn global add fauna-shell @fauna-labs/fauna-schema-migrate
yarn global v1.22.1[8](https://github.com/disruptivsolutions/beny-backend/runs/5859898348?check_suite_focus=true#step:7:8)
[1/4] Resolving packages...
warning fauna-shell > cli-ux@4.[9](https://github.com/disruptivsolutions/beny-backend/runs/5859898348?check_suite_focus=true#step:7:9).3: Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.
warning fauna-shell > @oclif/plugin-autocomplete > cli-ux@4.9.3: Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.
warning fauna-shell > request-promise@4.2.6: request-promise has been deprecated because it extends the now deprecated request package, see https://github.com/request/request/issues/3142
warning fauna-shell > request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
warning fauna-shell > request > har-validator@5.1.5: this library is no longer supported
warning fauna-shell > request > uuid@3.4.0: Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.
[2/4] Fetching packages...
[3/4] Linking dependencies...
warning " > @fauna-labs/fauna-schema-migrate@2.2.1" has unmet peer dependency "faunadb@^4.4.1".
[4/4] Building fresh packages...
success Installed "fauna-shell@0.15.0" with binaries:
      - fauna
success Installed "@fauna-labs/fauna-schema-migrate@2.2.1" with binaries:
      - fauna-schema-migrate
Done in [12](https://github.com/disruptivsolutions/beny-backend/runs/5859898348?check_suite_focus=true#step:7:12).84s.

---

Run fauna upload-graphql-schema fauna/schema.graphql \
UPLOADING SCHEMA (mode=replace): fauna/schema.graphql
RESPONSE:
Schema does not pass validation. Violations:

Object type 'User' can include field 'country' only once. (line [29](https://github.com/disruptivsolutions/beny-backend/runs/5859898348?check_suite_focus=true#step:8:29)3, column 3):
  country: String,
  ^
 (line [30](https://github.com/disruptivsolutions/beny-backend/runs/5859898348?check_suite_focus=true#step:8:30)5, column 3):
  country: String
  ^

Object type 'User' can include field 'currency' only once. (line 294, column 3):
  currency: Currency,
  ^
 (line 306, column 3):
  currency: String
  ^

fauna / fauna-shell

Graph QL Upload does not exit with correct exit code. #180