Update pyproject-fmt to v2.21.0 (#6476)

Co-authored-by: browniebroke <861044+browniebroke@users.noreply.github.com>

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -34,7 +34,7 @@ repos:
       - id: ruff-format
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.20.0
+    rev: v2.21.0
     hooks:
       - id: pyproject-fmt
 

{{cookiecutter.project_slug}}/.pre-commit-config.yaml

@@ -45,7 +45,7 @@ repos:
       - id: ruff-format
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.20.0
+    rev: v2.21.0
     hooks:
       - id: pyproject-fmt