Forgot to bump version in init file

requests_cache/__init__.py

diff --git a/requests_cache/__init__.py b/requests_cache/__init__.py
index d6cd38a..87781ba 100644
--- a/requests_cache/__init__.py
+++ b/requests_cache/__init__.py
@@ -5,7 +5,7 @@
 
 # Version is defined in pyproject.toml.
 # It's copied here to make it easier for client code to check the installed version.
-__version__ = '0.9.2'
+__version__ = '0.9.3'
 
 try:
     from .backends import *