Add yamlfmt hook

Author: youtux

.pre-commit-config.yaml

@@ -16,6 +16,10 @@ repos:
     -   id: end-of-file-fixer
     -   id: check-yaml
     -   id: check-added-large-files
+-   repo: https://github.com/google/yamlfmt
+    rev: a69a26f0e2a6d5768f3496239ba1e41c6bb74b6e  # frozen: v0.17.2
+    hooks:
+    -   id: yamlfmt
 -   repo: https://github.com/asottile/pyupgrade
     rev: 37bfa06d791fd38fb4e54910b36a2ff57641b074  # frozen: v3.20.0
     hooks: