Update sqlparse to 0.4.2

[pyup-bot]

This PR updates sqlparse from 0.4.1 to 0.4.2.

Changelog

0.4.2

----------------------------

Notable Changes

* IMPORTANT: This release fixes a security vulnerability in the
strip comments filter. In this filter a regular expression that was
vulnerable to ReDOS (Regular Expression Denial of Service) was
used. See the security advisory for details: https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-p5w8-wqhj-9hhf
The vulnerability was discovered by erik-krogh and yoff from
GitHub Security Lab (GHSL). Thanks for reporting!

Enhancements

* Add ELSIF as keyword (issue584).
* Add CONFLICT and ON_ERROR_STOP keywords (pr595, by j-martin).

Bug Fixes

* Fix parsing of backticks (issue588).
* Fix parsing of scientific number (issue399).

Links

• PyPI: https://pypi.org/project/sqlparse
• Changelog: https://pyup.io/changelogs/sqlparse/
• Repo: https://github.com/andialbrecht/sqlparse

[codecov[bot]]

Codecov Report

Merging #97 (ff6a33e) into master (4626798) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #97   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           20        20           
  Lines         1285      1285           
=========================================
  Hits          1285      1285           

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[pyup-bot]

Closing this in favor of #126