DeprecationWarning output in upgrade script doc building step - not sure if an actual issue or not

[wmclendon]

not sure if this is a bug, or anything to really be concerned with, but wanted to bring it up -- doing the upgrade from v3.3.4 to v3.3.5 this morning, I observed the following output in the upgrade script:

INFO     -  Building documentation to directory:
            /opt/netbox/netbox/project-static/docs
INFO     -  The following pages exist in the docs directory, but are not
            included in the "nav" configuration:
              - index.md
INFO     -  DeprecationWarning: 'selection' and 'rendering' are deprecated and
            merged into a single 'options' YAML key
              File
            "/opt/netbox/venv/lib/python3.8/site-packages/mkdocstrings/extension.py",
            line 121, in run
                html, handler, data = self._process_block(identifier, block,
            heading_level)
              File
            "/opt/netbox/venv/lib/python3.8/site-packages/mkdocstrings/extension.py",
            line 185, in _process_block
                warn(
INFO     -  Documentation built in 19.22 seconds

[rodvand]

Already reported - #10571