Bump docformatter from 1.6.3 to 1.6.4

Bumps [docformatter](https://github.com/PyCQA/docformatter) from 1.6.3 to 1.6.4.
- [Release notes](https://github.com/PyCQA/docformatter/releases)
- [Changelog](https://github.com/PyCQA/docformatter/blob/master/CHANGELOG.md)
- [Commits](https://github.com/PyCQA/docformatter/compare/v1.6.3...v1.6.4)

---
updated-dependencies:
- dependency-name: docformatter
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

poetry.lock

@@ -517,14 +517,14 @@ files = [
 
 [[package]]
 name = "docformatter"
-version = "1.6.3"
+version = "1.6.4"
 description = "Formats docstrings to follow PEP 257"
 category = "dev"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "docformatter-1.6.3-py3-none-any.whl", hash = "sha256:7d971222d86678e3d699a3e9fdf5dd5b04a027b55642f4628c50180577c63a23"},
+    {file = "docformatter-1.6.4-py3-none-any.whl", hash = "sha256:d2fb49627f7707c6d323fe0eb36744df007119fa300b2e02b5aaa56bcefcbaea"},
-    {file = "docformatter-1.6.3.tar.gz", hash = "sha256:c1377c5a3d01b3f3c325158c6de904d3d6167eb3a0eeeff8d9e66a678177d337"},
+    {file = "docformatter-1.6.4.tar.gz", hash = "sha256:69838eca8b9f7106a28a4621b7f604a48260a5da6dba94a368d8060ac9315fe0"},
 ]
 
 [package.dependencies]