Fix e2e tests - change forums.rancher.com to forums.suse.com

[mantis-toboggan-md]

Occurred changes and/or fixed issues

This PR updates the forum url from https://forums.rancher.com to https://forums.suse.com - the old URL is redirecting to the new, but e2e tests do consider this a failure: https://github.com/rancher/dashboard/actions/runs/13317789813/job/37196017760#step:8:195

Areas which could experience regressions

'Forums' link on home page

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