Add EuroSciPy 2025 (#248)

Author: mtsokol

2025.csv

@@ -24,6 +24,7 @@ PyCon Portugal,2025-07-24,2025-07-26,"Cascais, Portugal",PRT,Nova SBE Cascais,20
 PyCon Russia,2025-07-25,2025-07-26,"Moscow, Russia",RUS,,,,https://www.pycon.ru,,https://pycon.ru/partneram
 PyOhio,2025-07-26,2025-07-27,"Cleveland, Ohio, United States of America",USA,Cleveland State University Student Center,2025-04-27,,https://www.pyohio.org/2025/,https://pretalx.com/pyohio-2025/cfp,https://www.pyohio.org/2025/PyOhio-2025-Sponsorship-Prospectus.pdf
 DjangoCon Africa,2025-08-11,2025-08-11,"Arusha, Tanzania",TZA,,2025-03-31,2025-03-31,https://2025.djangocon.africa/,https://2025.djangocon.africa/speaking,https://2025.djangocon.africa/sponsor_us
+EuroSciPy,2025-08-18,2024-08-22,"Krakow, Poland",POL,AGH University,2025-04-28,2025-04-28,https://www.euroscipy.org/2025/,https://www.euroscipy.org/2025/program.html,https://www.euroscipy.org/2025/sponsoring.html
 PyCon Greece,2025-08-29,2025-08-30,"Athens, Greece",GRC,Technopolis City of Athens,2025-04-20,2025-04-20,https://2025.pycon.gr,https://2025.pycon.gr/en/program/proposal-guidelines/,
 PyCon Taiwan,2025-09-05,2025-09-07,Taiwan,TWN,,2025-04-05,2025-04-05,https://tw.pycon.org/2025,https://tw.pycon.org/2025/en-us/speaking/cfp,
 DjangoCon US,2025-09-08,2025-09-12,"Chicago, Illinois, United States of America",USA,voco Chicago Downtown,,2025-04-27,https://2025.djangocon.us,https://pretalx.com/djangocon-us-2025/cfp,