feat: Replace deprecated dependency

Transitioned from the deprecated `pkg_resources` to `importlib.metadata` for package version retrieval, improving performance and future compatibility.

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ### 0.3.9 (unreleased)
 
+* Add Docker support for running the bot in a container
+* Add TrackingMore dependency to pyproject.toml
+* Replace deprecated `pkg_resources` with `importlib.metadata`
+
 ### 0.3.7 / 0.3.8 (2024-04-15)
 
 * Changes to URLs in pyproject.toml

src/gptbot/__main__.py

@@ -5,14 +5,14 @@ from configparser import ConfigParser
 
 import signal
 import asyncio
-import pkg_resources
+import importlib.metadata
 
 def sigterm_handler(_signo, _stack_frame):
     exit()
 
 def get_version():
     try:
-        package_version = pkg_resources.get_distribution("matrix_gptbot").version
+        package_version = importlib.metadata.version("matrix_gptbot")
     except pkg_resources.DistributionNotFound:
         return None
     return package_version