fix: correct typo in DRM CDM error message

[R-Delfino95]

Description

Fix a typo in the DRM Content Decryption Module error message: "upading" → "updating". Updated the string in eme-fairplay.ts, webkit-fairplay.ts, index.ts, and the en.json i18n file.

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Note

Low Risk
Low risk: this is a text-only change to a user-facing DRM error message and does not affect DRM flow, error handling, or control paths.

Overview
Fixes a typo in the DRM CDM internal failure error string ("upading" → "updating").

Updates the i18n entry in lang/en.json and aligns the hard-coded i18n(...) message used by FairPlay DRM error handling in eme-fairplay.ts, webkit-fairplay.ts, and the hls.js error translation in index.ts.

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