[ENH] Add `OpenMLAuthenticationError` for clearer API key error handling#1570

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Omswastik-11 wants to merge 3 commits intoopenml:mainfrom

Omswastik-11:issue-1562

Commits on Dec 29, 2025

add openmlauthentication Error exception
Omswastik-11
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Commits on Jan 5, 2026

Merge branch 'main' into issue-1562
Omswastik-11
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Commits on Jan 7, 2026

Merge branch 'main' into pr/1570
fkiraly
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