Bump py-evm from 0.10.1b1 to 0.10.1b2

Bumps [py-evm](https://github.com/ethereum/py-evm) from 0.10.1b1 to 0.10.1b2.
- [Release notes](https://github.com/ethereum/py-evm/releases)
- [Changelog](https://github.com/ethereum/py-evm/blob/main/docs/release_notes.rst)
- [Commits](https://github.com/ethereum/py-evm/compare/v0.10.1-beta.1...v0.10.1-beta.2)

---
updated-dependencies:
- dependency-name: py-evm
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -15,7 +15,7 @@ mypy-extensions==1.0.0
 numpy
 persistent>=4.2.0
 py-flags
-py-evm==0.10.1b1
+py-evm==0.10.1b2
 py-solc-x<3.0.0
 py-solc
 pyparsing>=2.0.2,<4