Release v2026.10.2

🤖 AI-Generated Changelog

Fixed

• Read Pipfile, Pipfile.lock, pylock.toml, and pyproject.toml as UTF-8 with BOM support (utf-8-sig) to handle files with byte order marks
• Include the tasks package in the sdist distribution
• Resolve security quality alerts in pipenv's non-vendored code

Changed

• Vendor pip 26.2.2
• Update certifi to 2026.10.19
• Enable mypy type checking for pipenv's own code
• Record runner hardware in benchmark results

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🔗 Full Changelog: v2026.10.1...v2026.10.2