Change log.error to log.info

[cro]

What does this PR do?

Changes the ReqServer clients and ReqServer workers log message from error level to info level.

What issues does this PR fix or reference?

No particular issue.

Previous Behavior

These were logged like this:

2022-09-20 23:50:31,018 [salt.transport.zeromq:328 ][ERROR   ][1218] ReqServer clients tcp://0.0.0.0:4506
2022-09-20 23:50:31,019 [salt.transport.zeromq:330 ][ERROR   ][1218] ReqServer workers ipc:///var/run/salt/master/workers.ipc

This concerned some customers upgrading to 3005 that something might be amiss.

New Behavior

2022-09-20 23:50:31,018 [salt.transport.zeromq:328 ][INFO   ][1218] ReqServer clients tcp://0.0.0.0:4506
2022-09-20 23:50:31,019 [salt.transport.zeromq:330 ][INFO   ][1218] ReqServer workers ipc:///var/run/salt/master/workers.ipc

Remove this section if not relevant

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html

Commits signed with GPG?

Yes

Please review Salt's Contributing Guide for best practices.

See GitHub's page on GPG signing for more information about signing commits with GPG.

[waynew]

Approving conditionally on the .fixed instead of .added 🙃