feat: Replaced deprecated appdirs with platformdirs (#29)

Co-authored-by: Octavian Ionescu <octavian.ionescu@backlight.co>

Author: henriknorin-ftrack

doc/release/release_notes.rst

@@ -16,6 +16,11 @@ Release Notes
 
 .. release:: Upcoming
 
+    .. change:: changed
+        :tags: path resolve
+
+        Replaced deprecated appdirs with platformdirs.
+
     .. change:: changed
         :tags: events, security
 

source/ftrack_api/session.py

@@ -30,7 +30,7 @@
 import requests.utils
 import arrow
 import clique
-import appdirs
+import platformdirs
 
 import ftrack_api
 import ftrack_api.exception
@@ -327,7 +327,7 @@ def __init__(
         # rebuilding types)?
         if schema_cache_path is not False:
             if schema_cache_path is None:
-                schema_cache_path = appdirs.user_cache_dir()
+                schema_cache_path = platformdirs.user_cache_dir()
                 schema_cache_path = os.environ.get(
                     'FTRACK_API_SCHEMA_CACHE_PATH', schema_cache_path
                 )