chore(docs): add python, ruff, uv & license badges to readme (#1410)

Author: Olexandr88

README.md

@@ -1,6 +1,10 @@
 # Execution Spec Tests
 
 [![latest version](https://img.shields.io/github/v/release/ethereum/execution-spec-tests)](https://github.com/ethereum/execution-spec-tests/releases/latest)
+![Python Versions](https://img.shields.io/badge/python-3.10%20%7C%203.11%20%7C%203.12%20%7C%203.13-blue)
+[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
+[![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://github.com/astral-sh/uv)
+[![License](https://img.shields.io/github/license/ethereum/execution-spec-tests)](https://github.com/ethereum/execution-spec-tests/blob/main/LICENSE)
 
 [ethereum/execution-spec-tests](https://github.com/ethereum/execution-spec-tests) is both a collection of test cases and a framework implemented in Python to generate tests for Ethereum execution clients.