build(deps): bump mypy from 1.20.0 to 1.20.1

Bumps [mypy](https://github.com/python/mypy) from 1.20.0 to 1.20.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.20.0...v1.20.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

mypy-requirements.txt

@@ -1,4 +1,4 @@
-mypy[mypyc]==1.20.0  # update pyproject.toml as well
+mypy[mypyc]==1.20.1  # update pyproject.toml as well
 black>=23.12,<26.4
 types-requests
 types-dataclasses

pyproject.toml

@@ -2,7 +2,7 @@
 requires = [
     "setuptools>=50",  # 50 is to match mypyc's minimum
     "setuptools_scm[toml]>=8.0.4,<11",
-    'mypy[mypyc]==1.20.0',  # update mypy-requirements as well
+    'mypy[mypyc]==1.20.1',  # update mypy-requirements as well
     "black>=19.10b0,<26.4",
     "types-requests",
     "types-dataclasses",