Bump pyproject-fmt from 1.8.0 to 2.1.1

Bumps [pyproject-fmt](https://github.com/tox-dev/pyproject-fmt) from 1.8.0 to 2.1.1.
- [Release notes](https://github.com/tox-dev/pyproject-fmt/releases)
- [Commits](tox-dev/pyproject-fmt@1.8.0...2.1.1)

---
updated-dependencies:
- dependency-name: pyproject-fmt
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -297,7 +297,7 @@ dev = [
     "pydocstyle==6.3",
     "pyenchant==3.2.2",
     "pylint==3.2.0",
-    "pyproject-fmt==1.8.0",
+    "pyproject-fmt==2.1.1",
     "pyright==1.1.362",
     "pyroma==4.2",
     "pytest==8.2.0",