### TL;DR
This PR adjusts the `.changeset/config.json` to update dependency settings and reorganizes changeset markdown files under a new directory.
### What changed?
- Removed `fixed` and `linked` fields from the `.changeset/config.json`.
- Updated the `ignore` array in `config.json` to include additional thirdweb-dev packages.
- Moved existing `.changeset/*.md` files to a newly created `v4-changesets-apply-later` directory.
### How to test?
Verify that dependency updates and changeset file reorganization are reflected correctly in the `.changeset/config.json` and file structure.
### Why make this change?
We are temporarily only releasing v5 packages (while figuring a path forward regarding `@thirdweb-dev/react` with npm).
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