chore: bump version to 0.3.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: themohitkhare

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pycodegate"
-version = "0.2.0"
+version = "0.3.0"
 description = "Trust, but verify. The quality gate for AI-generated Python code."
 readme = "README.md"
 requires-python = ">=3.10"