Bump mypy from 1.4.1 to 1.5.1

Bumps [mypy](https://github.com/python/mypy) from 1.4.1 to 1.5.1.
- [Commits](python/mypy@v1.4.1...v1.5.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -53,7 +53,7 @@ Homepage = "https://eadwincode.github.io/ellar-throttler/"
 test = [
     "pytest >= 7.1.3,<8.0.0",
     "pytest-cov >= 2.12.0,<5.0.0",
-    "mypy == 1.4.1",
+    "mypy == 1.5.1",
     "ruff ==0.0.275",
     "black ==23.3.0",
     "pytest-asyncio",