update classifiers

Author: jb3

pyproject.toml

@@ -14,7 +14,7 @@ documentation = "https://python-discord.github.io/olli/"
 keywords = ["loki", "discord", "logs", "observability"]
 
 classifiers = [
-    "Development Status :: 2 - Pre-Alpha",
+    "Development Status :: 4 - Beta",
     "Environment :: Console",
     "Intended Audience :: Developers",
     "Intended Audience :: System Administrators"