Bump sqlparse from 0.5.2 to 0.5.3

Bumps [sqlparse](https://github.com/andialbrecht/sqlparse) from 0.5.2 to 0.5.3.
- [Release notes](https://github.com/andialbrecht/sqlparse/releases)
- [Changelog](https://github.com/andialbrecht/sqlparse/blob/master/CHANGELOG)
- [Commits](andialbrecht/sqlparse@0.5.2...0.5.3)

---
updated-dependencies:
- dependency-name: sqlparse
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -342,7 +342,7 @@ six==1.16.0
     #   python-dateutil
 soupsieve==2.6
     # via beautifulsoup4
-sqlparse==0.5.2
+sqlparse==0.5.3
     # via django
 svglib==1.5.1
     # via easy-thumbnails