Evanorti/readme links (cometbft#5774)

Update link from old docs site in readme

---

#### PR checklist

- [ ] Tests written/updated
- [ ] Changelog entry added in `CHANGELOG.md`
- [ ] Updated relevant documentation (`docs/` or `spec/`) and code
comments

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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

Author: evanorti

README.md

@@ -99,7 +99,7 @@ If you are interested in working on an issue, please comment on it, and take a l
 ## Documentation and Resources
 
 ### Documentation
-- [CometBFT Documentation](https://docs.cometbft.com/v0.38/)
+- [CometBFT Documentation](https://docs.cosmos.network/cometbft/latest/docs/README)
 - [CometBFT Specification](./spec/README.md)
 - [Documentation](./docs/)