Bump mypy from 1.7.1 to 1.8.0 (#806)

Bumps [mypy](https://github.com/python/mypy) from 1.7.1 to 1.8.0.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.7.1...v1.8.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -24,7 +24,7 @@ asgi-correlation-id = "^4.2.0"
 [tool.poetry.group.dev.dependencies]
 pre-commit = "^3.5.0"
 coverage = {extras = ["toml"], version = "^7.4"}
-mypy = "^1.7"
+mypy = "^1.8"
 detect-secrets = "^1.4.0"
 bandit = "^1.7.5"
 pytest = "^7.4.3"