fix(deps): 3 vulnerabilities

\from `npm audit` report

```sh
@koa/cors  <5.0.0
Severity: high
Overly permissive origin policy - GHSA-qxrj-hx23-xp82
fix available via `npm audit fix --force`
Will install [email protected], which is a breaking change
node_modules/@koa/cors
  oidc-provider  3.0.3 - 8.4.2
  Depends on vulnerable versions of @koa/cors
  node_modules/oidc-provider

axios  0.8.1 - 1.5.1
Severity: moderate
Axios Cross-Site Request Forgery Vulnerability - GHSA-wf5p-g6vw-rhxx
fix available via `npm audit fix --force`
Will install [email protected], which is a breaking change
node_modules/axios
```