chore(rustfmt): deprecated fn_args_layout -> fn_args_layout

See also: <rust-lang/rustfmt#4149>

Author: 2moe

rustfmt.toml

@@ -1,7 +1,7 @@
 
 # Stable
 edition = "2018"
-fn_args_layout = "Compressed"
+fn_params_layout = "Compressed"
 max_width = 80
 tab_spaces = 2
 use_field_init_shorthand = true
@@ -11,4 +11,4 @@ use_small_heuristics = "Max"
 # Unstable
 format_code_in_doc_comments = true
 wrap_comments = true
-imports_granularity="Crate"
+imports_granularity = "Crate"