Merge pull request #227 from AndreiDrang/dependabot/pip/msgspec-gte-0.18-and-lt-0.21

Update msgspec requirement from <0.20,>=0.18 to >=0.18,<0.21

Author: AndreiDrang

pyproject.toml

@@ -84,7 +84,7 @@ classifiers = [
 dependencies = [
     "requests>=2.21.0",
     "aiohttp>=3.9.2",
-    "msgspec>=0.18,<0.20",
+    "msgspec>=0.18,<0.21",
     "tenacity>=8,<10"
 ]