Update YAML hook arguments for line length

Author: mxr

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
   - id: pretty-format-toml
     args: [--autofix, --trailing-commas]
   - id: pretty-format-yaml
-    args: [--autofix]
+    args: [--autofix, '--line-length=120']
 - repo: https://github.com/asottile/setup-cfg-fmt
   rev: v3.2.0
   hooks: