The cookie secret in the encrypted file was too long, because the
generation command in the oauth2_proxy docs is also wrong. Should
probably fix that upstream as well.
Also noticed that an extra '2' snuck into the service name and fixed
that.
Change-Id: I9a344a75993ab1f98299a8d45e7f5b2e146b7fc5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4957
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>