⬆️ Bump mypy from 1.3.0 to 1.4.1 (#305)

Bumps [mypy](https://github.com/python/mypy) from 1.3.0 to 1.4.1.
- [Commits](python/mypy@v1.3.0...v1.4.1)

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

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

build-requirements.txt

@@ -1,5 +1,5 @@
 # in the meantime we migrate to pyproject.toml
 # this represent the minimum requirement to build (for the optional speedup)
-mypy==1.3.0
+mypy==1.4.1
 build==0.10.0
 wheel==0.40.0

dev-requirements.txt

@@ -7,7 +7,7 @@ build==0.10.0
 wheel==0.40.0
 
 black==23.3.0
-mypy==1.3.0
+mypy==1.4.1
 Flask==2.2.3
 pytest==7.3.2
 requests==2.31.0