fix: update npm dependencies (#64)
fix: update npm dependencies (#64)

- Update npm dependencies to fix 1 moderate severity vulnerability
  - Path: `next > webpack > terser-webpack-plugin > serialize-javascript`

Details from the command line:

```
❯ npm audit

=== npm audit security report ===

# Run `npm update terser-webpack-plugin --depth 3` to resolve 1 vulnerability

│ Moderate      │ Cross-Site Scripting
│ Package       │ serialize-javascript
│ Dependency of │ next│
│ Path          │ next > webpack > terser-webpack-plugin >
│               │ serialize-javascript
│ More info     │ https://npmjs.com/advisories/1426

found 1 moderate severity vulnerability in 11551 scanned packages
  run `npm audit fix` to fix 1 of them.

```
koodiklinikka/koodiklinikka.fi,koodiklinikka/koodiklinikka.fi