chore: update authorized_user.json (#820)

I've filed a question against internal the team that manages
test accounts to ask what the recommended way to refresh these tokens are,
but have not yet gotten a response. Manually refresh the token
to unblock CI.
diff --git a/system_tests/secrets.tar.enc b/system_tests/secrets.tar.enc
index 46b521c..e9d9a51 100644
--- a/system_tests/secrets.tar.enc
+++ b/system_tests/secrets.tar.enc
Binary files differ