Bump plexapi from 4.15.16 to 4.16.0 (#2439)

* Bump plexapi from 4.15.16 to 4.16.0

Bumps [plexapi](https://github.com/pkkid/python-plexapi) from 4.15.16 to 4.16.0.
- [Release notes](https://github.com/pkkid/python-plexapi/releases)
- [Commits](https://github.com/pkkid/python-plexapi/compare/4.15.16...4.16.0)

---
updated-dependencies:
- dependency-name: plexapi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update plexapi==4.16.0

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/plexapi/playlist.py

@@ -190,6 +190,20 @@ class Playlist(
         if self._items is None:
             key = f'{self.key}/items'
             items = self.fetchItems(key)
+
+            # Cache server connections to avoid reconnecting for each item
+            _servers = {}
+            for item in items:
+                if item.sourceURI:
+                    serverID = item.sourceURI.split('/')[2]
+                    if serverID not in _servers:
+                        try:
+                            _servers[serverID] = self._server.myPlexAccount().resource(serverID).connect()
+                        except NotFound:
+                            # Override the server connection with None if the server is not found
+                            _servers[serverID] = None
+                    item._server = _servers[serverID]
+
             self._items = items
         return self._items