chore(deps-dev): update mypy requirement from <1.20,>=1.0.0 to >=1.0.0,<1.21 (#1112)

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

Author: dependabot[bot]

pyproject.toml

@@ -46,7 +46,7 @@ actions = [
 ]
 dev = [
     "flit >=3.2.0,<4.0.0",
-    "mypy >=1.0.0,<1.20",
+    "mypy >=1.0.0,<1.21",
     "pip-audit >=2.4.4,<3.0.0",
     "pylint >=3.0.0,<4.1.0",
     "perflint >=0.8.0,<1.0.0",