several vulnerabilities

Hello,

trying to install but several vulnerabilities found:
 ```
npm audit report

ejs  <3.1.7
Severity: high
Template injection in ejs - https://github.com/advisories/GHSA-phwq-j96m-2c2q
No fix available
node_modules/ejs
  koa-ejs  *
  Depends on vulnerable versions of ejs
  node_modules/koa-ejs

2 high severity vulnerabilities

```