[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

.env.preview

@@ -1,3 +1,3 @@
 EP_SESSIONS_API="https://static.europython.eu/programme/ep2025/releases/current/sessions.json"
 EP_SPEAKERS_API="https://static.europython.eu/programme/ep2025/releases/current/speakers.json"
-EP_SCHEDULE_API="https://static.europython.eu/programme/ep2025/releases/current/schedule.json"
+EP_SCHEDULE_API="https://static.europython.eu/programme/ep2025/releases/current/schedule.json"