Update pre-commit-hooks to version v6.0.0

To also match the version in the `FreeCAD/FreeCAD` repo. It needs to be tested whether it fixes the current `check-yaml` issues on each PR as well

Author: furgo16

.pre-commit-config.yaml

@@ -4,7 +4,7 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: 2c9f875913ee60ca25ce70243dc24d5b6415598c # frozen: v4.6.0
+    rev: 3e8a8703264a2f4a69428a0aa4dcb512790b2c8c  # frozen: v6.0.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer