chore(deps): bump python-dotenv from 1.0.1 to 1.2.1

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 1.0.1 to 1.2.1.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.0.1...v1.2.1)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
     "protobuf==6.33.0",
     "grpcio==1.71.2",
     "cryptography==44.0.0",
-    "python-dotenv==1.0.1",
+    "python-dotenv==1.2.1",
     "requests==2.32.3",
     "pycryptodome==3.23.0",
     "eth-abi==5.2.0",