Update python-dotenv requirement from ~=1.1.1 to >=1.1.1,<1.3.0

Updates the requirements on [python-dotenv](https://github.com/theskumar/python-dotenv) to permit the latest version.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.1.1...v1.2.1)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-version: 1.2.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -46,7 +46,7 @@ dev = [
     "pytest~=8.4.2",
     "pytest-asyncio~=1.2.0",
     "pytest-cov~=7.0.0",
-    "python-dotenv~=1.1.1",
+    "python-dotenv>=1.1.1,<1.3.0",
 ]
 
 [project.urls]