Docs: correct example formatting in 'Utilities > API' for linting compliance (twbs#40973)

Author: julien-deramond

site/content/docs/5.3/utilities/api.md

@@ -452,7 +452,8 @@ You can enable responsive classes for an existing set of utilities that are not
 @import "bootstrap/scss/utilities";
 
 $utilities: map-merge(
-  $utilities, (
+  $utilities,
+  (
     "border": map-merge(
       map-get($utilities, "border"),
       ( responsive: true ),
@@ -508,7 +509,8 @@ Missing v4 utilities, or used to another naming convention? The utilities API ca
 @import "bootstrap/scss/utilities";
 
 $utilities: map-merge(
-  $utilities, (
+  $utilities,
+  (
     "margin-start": map-merge(
       map-get($utilities, "margin-start"),
       ( class: ml ),
@@ -574,13 +576,11 @@ $utilities: map-merge(
   (
     // Remove the `width` utility
     "width": null,
-
     // Make an existing utility responsive
     "border": map-merge(
       map-get($utilities, "border"),
       ( responsive: true ),
     ),
-
     // Add new utilities
     "cursor": (
       property: cursor,