chore: bump to v0.26

[monsieurBoutte]

minor bump

---

Note

Low Risk
Only manifest version fields change; no runtime or library behavior is modified.

Overview
Bumps the published @mux/ai package version from 0.25.0 to 0.26.0 in package.json and the root entry in package-lock.json. No dependency, source, or API changes are included in this diff.

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

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[philcluff]

I think you wanted npm install, not pnpm install 😅

[monsieurBoutte]

I think you wanted npm install, not pnpm install 😅

whoops.. muscle memory