Bump requests from 2.26.0 to 2.27.1

Bumps [requests](https://github.com/psf/requests) from 2.26.0 to 2.27.1.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.26.0...v2.27.1)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -7,6 +7,6 @@ ethereum==2.3.2
 hexbytes==0.2.2
 packaging
 psycopg2-binary==2.9.2
-requests==2.26.0
+requests==2.27.1
 typing-extensions==3.10.0.2
 web3==5.24.0