Update mautrix-python

mautrix_telegram/example-config.yaml

@@ -291,6 +291,10 @@ bridge:
             delete_on_device_delete: false
             # Periodically delete megolm sessions when 2x max_age has passed since receiving the session.
             periodically_delete_expired: false
+            # Delete inbound megolm sessions that don't have the received_at field used for
+            # automatic ratcheting and expired session deletion. This is meant as a migration
+            # to delete old keys prior to the bridge update.
+            delete_outdated_inbound: false
         # What level of device verification should be required from users?
         #
         # Valid levels:

requirements.txt

@@ -3,7 +3,7 @@ python-magic>=0.4,<0.5
 commonmark>=0.8,<0.10
 aiohttp>=3,<4
 yarl>=1,<2
-mautrix==0.20.0rc1
+mautrix>=0.20.0,<0.21
 tulir-telethon==1.29.0a2
 asyncpg>=0.20,<0.28
 mako>=1,<2