Updates vendored subliminal to 2.1.0

Updates rarfile to 3.1
Updates stevedore to 3.5.0
Updates appdirs to 1.4.4
Updates click to 8.1.3
Updates decorator to 5.1.1
Updates dogpile.cache to 1.1.8
Updates pbr to 5.11.0
Updates pysrt to 1.1.2
Updates pytz to 2022.6
Adds importlib-metadata version 3.1.1
Adds typing-extensions version 4.1.1
Adds zipp version 3.11.0

libs/common/subliminal/cache.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
 import datetime
 
+import six
 from dogpile.cache import make_region
+from dogpile.cache.util import function_key_generator
 
 #: Expiration time for show caching
 SHOW_EXPIRATION_TIME = datetime.timedelta(weeks=3).total_seconds()
@@ -13,4 +15,23 @@ EPISODE_EXPIRATION_TIME = datetime.timedelta(days=3).total_seconds()
 REFINER_EXPIRATION_TIME = datetime.timedelta(weeks=1).total_seconds()
 
 
-region = make_region()
+def _to_native_str(value):
+    if six.PY2:
+        # In Python 2, the native string type is bytes
+        if isinstance(value, six.text_type):  # unicode for Python 2
+            return value.encode('utf-8')
+        else:
+            return six.binary_type(value)
+    else:
+        # In Python 3, the native string type is unicode
+        if isinstance(value, six.binary_type):  # bytes for Python 3
+            return value.decode('utf-8')
+        else:
+            return six.text_type(value)
+
+
+def to_native_str_key_generator(namespace, fn, to_str=_to_native_str):
+    return function_key_generator(namespace, fn, to_str)
+
+
+region = make_region(function_key_generator=to_native_str_key_generator)