Bump web3 from 6.20.2 to 7.8.0

Bumps [web3](https://github.com/ethereum/web3.py) from 6.20.2 to 7.8.0.
- [Changelog](https://github.com/ethereum/web3.py/blob/main/docs/release_notes.rst)
- [Commits](ethereum/web3.py@v6.20.2...v7.8.0)

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

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

setup.py

@@ -39,7 +39,7 @@
     "time_machine==2.16.0",
     "typeguard==4.4.1",
     "xgboost==2.1.3",
-    "web3==6.20.2",
+    "web3==7.8.0",
     "sapphire.py==0.2.3",
     "stopit==1.1.2",
     "ta==0.11.0",