change quote and slide components to use purple color

Author: ostafinskim

assets-src/styles/sass/50-core-components/_quotes.scss

@@ -4,15 +4,15 @@
 
 .component--quote {
 	@include txt-saturn;
-	color: $deep-blue;
+	color: $purple;
 	font-weight: bold;
 	margin-inline-end: 0;
 	margin-inline-start: rem(10);
 	padding: rem(20);
 	position: relative;
 
 	&::before {
-		background-color: $deep-blue;
+		background-color: $purple;
 		border-radius: rem(5);
 		left: rem(-10);
 		width: rem(10);

assets-src/styles/sass/50-core-components/_slide.scss

@@ -40,7 +40,7 @@
 	}
 
 	&::before {
-		background-color: $deep-blue;
+		background-color: $purple;
 		border-radius: rem(5);
 		content: '';
 		height: 100%;