chore: bump ccxt min-version requirement

this will allow us to use new features
e.g. `.set_markets_from_exchange()`

Author: xmatthias

pyproject.toml

@@ -29,7 +29,7 @@ classifiers = [
 
 dependencies = [
   # from requirements.txt
-  "ccxt>=4.4.87",
+  "ccxt>=4.5.4",
   "SQLAlchemy>=2.0.6",
   "python-telegram-bot>=20.1",
   "humanize>=4.0.0",