Also makes the main view of the dialog scrollable

200 is just a bit too small for AdwDialog.

To make flathub verifications happy and I am the most active maintainer anyways so...

Looks like regexes have to be marked explicitly now.

Nothing that's relevant for us has changed, but let's bump the version
anyway.

When not logged in, the New Issue URL only redirects to an unhelpful
login page while the Issues page allows you to search for existing
issues and still offers a "New Issue" button.

Fix the ID in our appstream metadata so that we no longer fail
appstream validation.