chore: update mypy requirement from ==1.15.0 to ==2.1.0

Updates the requirements on [mypy](https://github.com/python/mypy) to permit the latest version.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v2.1.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 2.1.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -26,7 +26,7 @@ include = ["py.typed", "src/airbyte_api/py.typed"]
 in-project = true
 
 [tool.poetry.group.dev.dependencies]
-mypy = "==1.15.0"
+mypy = "==2.1.0"
 pylint = "==3.2.3"
 pyright = "==1.1.398"