[mblaymanbot]

Summary

• prepare the 3.6 release dated November 10, 2026
• document Python 3.11–3.15 support, pytest 9.2 compatibility, and packaging fixes
• update the project, runtime, and lockfile versions from 3.5 to 3.6

Validation

• uv run pre-commit run --all-files
• make test (17 tests passed with pytest 9.2.0)
• uv build
• twine check dist/*
• verified the wheel contains and imports pytest_tap as version 3.6
• verified the source distribution contains conftest.py and the package source

This PR only prepares the release. Publishing and tagging remain manual steps after review and merge.

Checklist

• Is your name/identity in the AUTHORS file alphabetically?
• Did you write a test to verify your code change? (Existing release and packaging checks cover this metadata-only change.)
• Is CI passing?