docs(license-collector): Fix broken licenses link

[bennycode]

The website https://wire.com/legal/licenses/ shows a "Page not found" error. Possible fixes are to update all links in this monorepo to use https://wire.com/legal/#legal5 or to fix the redirect of the website.

[tlebon]

@bennycode does this mean you are ready to rejoin? 😛
unfortunately, #legal5 doesn't actually navigate via hash because of how the page renders.

[bennycode]

I've also noticed the issue with #legal5. It might be better to just link to https://wire.com/legal/ instead, as this would be a more effective solution than the current one, which is:

[CLAassistant]

All committers have signed the CLA.