chore(deps-dev): bump pyparsing from 3.2.0 to 3.2.1 in /backend

Bumps [pyparsing](https://github.com/pyparsing/pyparsing) from 3.2.0 to 3.2.1.
- [Release notes](https://github.com/pyparsing/pyparsing/releases)
- [Changelog](https://github.com/pyparsing/pyparsing/blob/master/CHANGES)
- [Commits](pyparsing/pyparsing@3.2.0...3.2.1)

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

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

Author: dependabot[bot]

backend/poetry.lock

@@ -45,7 +45,7 @@ django-extensions = "^3.2.3"
 django-types = "^0.20.0"
 django-stubs-ext = "^5.1.1"
 # graphs
-pyparsing = "^3.2.0"
+pyparsing = "^3.2.1"
 pydot = "^3.0.4"
 # formatter
 black = "^24.10.0"