Misused Promise

[nk-coding]

src\api\auth\JWTVerifier.ts
  97:44  error  Promise returned in function argument where a void return was expected  @typescript-eslint/no-misused-promises

Please check if code is correct and fix if possible.
eslint is currently correctly set up on branch feature/improved_issues, however this might be merged into feature/crazySyncAdapter in the near future