docs: add Python 3.13 recommendation to README (#303)

docs: add Python 3.13 recommendation to README

Add a note in the README to indicate that Python 3.13 is the recommended
version for running Codegen.

Changes:
- Added "(recommended: Python 3.13)" to the Python version support
section

Requested by: [email protected]

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

README.md

@@ -45,7 +45,7 @@ Write code that transforms code. Codegen combines the parsing power of [Tree-sit
 
 We support
 
-- Running Codegen in Python 3.12 – 3.13
+- Running Codegen in Python 3.12 – 3.13 (recommended: Python 3.13)
 - macOS and Linux
   - macOS is supported on Apple Silicon
   - Linux is supported on x86_64 and aarch64 with glibc 2.34+