chore(deps-dev): bump stylelint from 14.16.1 to 16.19.1

.stylelintignore

@@ -2,3 +2,5 @@ source/fonts/**/sources
 sources/**
 source/pattern-template/_pattern-template.scss
 .stylelintrc.json
+node_modules/
+source/css/pattern-scaffolding.css

.stylelintrc.json

@@ -1,10 +1,6 @@
 {
-	"extends": [
-		"stylelint-config-sass-guidelines",
-		"stylelint-config-prettier"
-	],
+	"extends": ["stylelint-config-standard-scss"],
 	"rules": {
-		"order/properties-alphabetical-order": null,
 		"scss/operator-no-newline-after": null,
 		"declaration-empty-line-before": null,
 		"selector-no-qualifying-type": null,
@@ -18,6 +14,15 @@
 		"scss/percent-placeholder-pattern": null,
 		"scss/at-mixin-pattern": null,
 		"scss/at-import-partial-extension": null,
-		"scss/dollar-variable-colon-space-after": "always-single-line"
+		"scss/dollar-variable-colon-space-after": "always-single-line",
+		"declaration-property-value-no-unknown": [
+			true,
+			{
+				"ignoreProperties": {
+					"/.+/": "/^to-[r]?em\\(\\$pxValue: \\d+\\)/"
+				}
+			}
+		],
+		"custom-property-pattern": null
 	}
 }