Update autoflake requirement from ~=1.4 to ~=2.3 (#149)

Updates the requirements on [autoflake](https://github.com/PyCQA/autoflake) to permit the latest version.
- [Release notes](https://github.com/PyCQA/autoflake/releases)
- [Commits](PyCQA/autoflake@v1.4...v2.3.1)

---
updated-dependencies:
- dependency-name: autoflake
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-dev.txt

@@ -1,4 +1,4 @@
-autoflake~=1.4
+autoflake~=2.3
 autopep8~=2.3
 black~=24.3
 build~=1.0