chore(deps): update dependency @contentful/rich-text-types to ^16.8.5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@contentful/rich-text-types	^16.1.0 → ^16.8.5

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: apps/rich-text-versioning/package-lock.json

npm warn Unknown env config "store". This will stop working in the next major version of npm. See `npm help npmrc` for supported config options.
npm error code EOVERRIDE
npm error Override for @contentful/rich-text-types@^16.1.0 conflicts with direct dependency
npm error A complete log of this run can be found in: /runner/cache/others/npm/_logs/2026-08-02T22_52_49_875Z-debug-0.log