Bump mypy from 1.6.1 to 1.7.0 (#325)

dependabot[bot] · web-flow · commit de28be923e5f · 2023-11-13T21:21:52.000+01:00
diff --git a/requirements_testing.txt b/requirements_testing.txt
@@ -9,4 +9,4 @@ ruff==0.1.4
 setuptools==68.2.2
 tox==4.11.3
 tox-gh-actions==3.1.3
-mypy==1.6.1
+mypy==1.7.0
