Update hexbytes requirement from <1.3.0 to <1.4.0 (#1896)

Updates the requirements on [hexbytes](https://github.com/ethereum/hexbytes) to permit the latest version.
- [Changelog](https://github.com/ethereum/hexbytes/blob/main/docs/release_notes.rst)
- [Commits](ethereum/hexbytes@v0.1.0-alpha.1...v1.3.0)

---
updated-dependencies:
- dependency-name: hexbytes
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nikhil Parasaram <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ py_ecc>=5.0.0
 eth-abi>=5.1.0
 eth-hash>=0.3.1,<0.8.0
 eth-utils>=2.0.0
-hexbytes<1.3.0
+hexbytes<1.4.0
 jinja2>=2.9
 MarkupSafe<3.1.0
 mypy-extensions==1.0.0