Bump web3 from 6.20.2 to 7.6.0

Bumps [web3](https://github.com/ethereum/web3.py) from 6.20.2 to 7.6.0.
- [Changelog](https://github.com/ethereum/web3.py/blob/main/docs/release_notes.rst)
- [Commits](ethereum/web3.py@v6.20.2...v7.6.0)

---
updated-dependencies:
- dependency-name: web3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -34,4 +34,4 @@ psycopg2==2.9.10
 redis==5.2.1
 requests==2.32.3
 safe-eth-py[django]==6.1.0
-web3==6.20.2
+web3==7.6.0