Bump mypy from 1.2.0 to 1.3.0 (#768)

* Bump mypy from 1.2.0 to 1.3.0

Bumps [mypy](https://github.com/python/mypy) from 1.2.0 to 1.3.0.
- [Commits](python/mypy@v1.2.0...v1.3.0)

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

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

* Add automated changelog yaml from template for bot PR

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Github Build Bot <buildbot@fishtownanalytics.com>
Co-authored-by: Mike Alfare <13974384+mikealfare@users.noreply.github.com>

.changes/unreleased/Dependencies-20230510-230725.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Bump mypy from 1.2.0 to 1.3.0"
+time: 2023-05-10T23:07:25.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 768

dev-requirements.txt

@@ -12,7 +12,7 @@ flake8~=6.0;python_version>="3.8"
 flaky~=3.7
 freezegun~=1.2
 ipdb~=0.13.13
-mypy==1.2.0  # patch updates have historically introduced breaking changes
+mypy==1.3.0  # patch updates have historically introduced breaking changes
 pip-tools~=6.13
 pre-commit~=3.2;python_version>="3.8"
 pre-commit-hooks~=4.4