dispatch: sort the loaded extension names in the bug report
This makes a long list of extensions easier to read. On very rare occasion I've
seen issues where the load order mattered, however that info should still be
obtainable with `hg config extensions`.
Differential Revision: https://phab.mercurial-scm.org/D9439
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true