Update DjangoCon US 2026 dates and add links (#292)

* Update DjangoCon US 2026 dates and add links

* Autoformat CSVs

---------

Co-authored-by: Jon Banafato <jonafato@users.noreply.github.com>

Author: egeakman

2026.csv

@@ -10,9 +10,9 @@ PyCon Italia,2026-05-27,2026-05-30,"Bologna, Italy",ITA,Savoia Hotel Regency,,,h
 EuroPython,2026-07-13,2026-07-19,"Kraków, Poland",POL,ICE Kraków Congress Centre,2026-02-15,2026-02-15,https://ep2026.europython.eu,https://ep2026.europython.eu/cfp,https://ep2026.europython.eu/sponsors
 EuroSciPy,2026-07-18,2026-07-23,"Kraków, Poland",POL,AGH University of Kraków,2026-02-22,2026-02-22,https://euroscipy.org/,https://euroscipy.org/call-for-proposals/,
 PyOhio,2026-07-25,2026-07-26,"Cleveland, Ohio, United States of America",USA,Cleveland State University Student Center,,,https://www.pyohio.org/2026/,,
+DjangoCon US,2026-08-24,2026-08-28,"Chicago, Illinois, United States of America",USA,voco Chicago Downtown,,2026-03-16,https://2026.djangocon.us,https://2026.djangocon.us/speaking/,https://2026.djangocon.us/sponsors/
 PyCon AU,2026-08-26,2026-08-30,"Brisbane, Australia",AUS,Sofitel Brisbane Central,,,https://2026.pycon.org.au,,
 PyCon PL,2026-08-27,2026-08-30,"Gliwice, Poland",POL,"Education and Congress Centre, Silesian University of Technology",2026-02-15,2026-02-15,https://pl.pycon.org/2026,https://pyconpl.confreg.pl/events/67-pycon-pl-2026,
-DjangoCon US,2026-09-14,2026-09-18,"Chicago, Illinois, United States of America",USA,voco Chicago Downtown,,,https://2026.djangocon.us,,
 PyBay,2026-10-03,2026-10-03,"San Francisco, California, United States of America",USA,Mission Bay Conference Center,,2026-07-31,https://pybay.org/,https://pybay.org/speaking/,https://pybay.org/sponsors/sponsor-us/
 PyCon Estonia,2026-10-08,2026-10-09,"Tallinn, Estonia",EST,,,,https://pycon.ee,,
 PyCon Greece,2026-10-12,2026-10-13,"Athens, Greece",GRC,Technopolis City of Athens,,,https://2026.pycon.gr,,