test(python): add unit tests for path matching utility

[sohw400]

Summary

Add comprehensive unit tests for x402/path.py module.

Test Coverage

• Exact matching: basic, trailing slash, case sensitivity
• Glob patterns: single/double wildcards, middle wildcards, ? wildcard
• Regex patterns: basic, digit matching, partial match, groups
• List patterns: multiple patterns, mixed types, empty list
• Edge cases: empty strings, root path, special characters, invalid types

Test Results

24 passed

Files Changed

• python/x402/tests/test_path.py (new)

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[cb-heimdall]

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[phdargen]

Hi @sohw400, thanks for the addition!

Now that v2 is out, the legacy packages are effectively frozen and we are closing PRs targeting v1.
Given that the python v2 implementation is still in development, we could still get this in if you'd like but it would be better to directly target the feat/python-v2-sdk development branch, where v1 is moved to /python/legacy, see #841

Closing this now, please target the feat/python-v2-sdk branch if you open a new PR