Bump plexapi from 4.13.4 to 4.15.0 (#2132)

* Bump plexapi from 4.13.4 to 4.15.0

Bumps [plexapi](https://github.com/pkkid/python-plexapi) from 4.13.4 to 4.15.0.
- [Release notes](https://github.com/pkkid/python-plexapi/releases)
- [Commits](https://github.com/pkkid/python-plexapi/compare/4.13.4...4.15.0)

---
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==4.15.0

---------

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/collection.py

@@ -8,8 +8,7 @@ from plexapi.library import LibrarySection, ManagedHub
 from plexapi.mixins import (
     AdvancedSettingsMixin, SmartFilterMixin, HubsMixin, RatingMixin,
     ArtMixin, PosterMixin, ThemeMixin,
-    AddedAtMixin, ContentRatingMixin, SortTitleMixin, SummaryMixin, TitleMixin,
-    LabelMixin
+    CollectionEditMixins
 )
 from plexapi.utils import deprecated
 
@@ -19,8 +18,7 @@ class Collection(
     PlexPartialObject,
     AdvancedSettingsMixin, SmartFilterMixin, HubsMixin, RatingMixin,
     ArtMixin, PosterMixin, ThemeMixin,
-    AddedAtMixin, ContentRatingMixin, SortTitleMixin, SummaryMixin, TitleMixin,
-    LabelMixin
+    CollectionEditMixins
 ):
     """ Represents a single Collection.
 
@@ -222,6 +220,7 @@ class Collection(
                 .. code-block:: python
 
                     collection.updateMode(user="user")
+
         """
         if not self.smart:
             raise BadRequest('Cannot change collection filtering user for a non-smart collection.')
@@ -250,6 +249,7 @@ class Collection(
                 .. code-block:: python
 
                     collection.updateMode(mode="hide")
+
         """
         mode_dict = {
             'default': -1,
@@ -276,6 +276,7 @@ class Collection(
                 .. code-block:: python
 
                     collection.updateSort(mode="alpha")
+
         """
         if self.smart:
             raise BadRequest('Cannot change collection order for a smart collection.')