Added output of Python interpreter details at the start of the test details.

Author: ntoll

README.md

@@ -207,6 +207,7 @@ The output for the test suite for this module is a good example of all the
 different sorts of information you may see:
 
 ```
+Python interpreter:  webassembly 3.4.0; MicroPython v1.24.0-preview.114.g77bd8fe5b on 2024-07-19
 Using ./tests/conftest.py for global setup and teardown in ./tests.
 Using local setup and teardown for ./tests/test_with_setup_teardown.py.
 Found 2 test module[s]. Running 18 test[s].

upytest.py

@@ -433,6 +433,7 @@ async def run(*args, **kwargs):
     setup and teardown functions can be overridden in the individual test
     modules.
     """
+    print("Python interpreter: \033[1m", sys.platform, sys.version, "\033[0m")
     targets = []
     pattern = kwargs.get("pattern", "test_*.py")
     for arg in args: