Auto-updating sinon dependencies causes issues

```
node_modules/@types/sinon/index.d.ts:1447:53 - error TS2694: Namespace '"C:/Projects/WoT/thingweb/thingweb.node-wot-danielpeintner/node_modules/@sinonjs/fake-timers/types/fake-timers-src"' has no exported member 'FakeTimerInstallOpts'.

1447 useFakeTimers: boolean | Partial;
```

To reproduce:
* delete package-lock.json
* run `npm install`
* try to run `npm run build`

I set the version to a *fixed* version, see https://github.com/eclipse/thingweb.node-wot/pull/822/commits/ccd01258ae1fe69e58706bb480453fab9ce742b0