Update pygments to 2.7.2

[pyup-bot]

This PR updates Pygments from 2.7.1 to 2.7.2.

Changelog

2.7.2

-------------
(released October 24, 2020)

- Updated lexers:

* Latex (PR1517, 1516)
* LLVM (PR1565)
* SPARQL (PR1559)

- Fixed Python console/traceback lexer problems with
custom exceptions without messages (1548)
- Allow loading ttc fonts on Mac/image formatter (1223)
- Improve ``analyze_text`` across a variety of lexers (PR1549)
- Removed CSS rule which forced the vertical padding to 0 for line numbers (PR1583, 1579)
- Fix ``TNTLexer`` crashing on unexpected EOL (1568, PR1570)
- ``regexlint`` can be now run locally as part of ``tox`` tests (PR1557)
- Fix typos (PR1550, 1562)
- Add Python 3.9 as a supported version (PR1554)

Links

• PyPI: https://pypi.org/project/pygments
• Changelog: https://pyup.io/changelogs/pygments/
• Homepage: https://pygments.org/