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

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Author: pre-commit-ci[bot]

src/content/deadlines/02_mentorship.md

@@ -9,4 +9,3 @@ image: mentorship1.jpg
 Join our Speaker Orientation to build confidence, improve stage presence, and
 learn how to engage your audience. It is happening on 3 June 2026 18:00 CEST
 online and is open to first-time and returning speakers.
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