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.

---

Note

Low Risk
Low risk string-only change to a user-facing DRM error message; no behavioral or logic changes.

Overview
Fixes a typo in the DRM Content Decryption Module internal error message ("upading" → "updating").

Updates the i18n key/value in lang/en.json and aligns the corresponding i18n() callsites in eme-fairplay.ts, webkit-fairplay.ts, and the HLS error mapping in index.ts.

^{Reviewed by Cursor Bugbot for commit c3424cc. Bugbot is set up for automated code reviews on this repo. Configure here.}

[vercel]

@R-Delfino95 is attempting to deploy a commit to the Mux Team on Vercel.

A member of the Team first needs to authorize it.

[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.