refactor: update color utility classes in PUCopyToClipboard and PURating components for consistency with design system

Author: FelipeO16

src/runtime/components/PUCopyToClipboard.vue

@@ -116,7 +116,7 @@ const copyToClipboard = async () => {
 }
 
 .pu-copy__icon--success {
-  @apply text-green-500 dark:text-green-400;
+  @apply text-primary-light-500;
 }
 
 .pu-copy__text {

src/runtime/components/PURating.vue

@@ -125,11 +125,11 @@ const getStarIcon = (star: number) => {
 }
 
 .pu-rating__star-icon {
-  @apply text-gray-600 dark:text-gray-300;
+  @apply text-primary-light-600 dark:text-primary-light-300;
 }
 
 .pu-rating__star:hover .pu-rating__star-icon {
-  @apply text-gray-800 dark:text-gray-100;
+  @apply text-primary-light-800 dark:text-primary-light-100;
 }
 
 .pu-rating--small .pu-rating__stars {
@@ -157,7 +157,7 @@ const getStarIcon = (star: number) => {
 }
 
 .pu-rating__value {
-  @apply text-gray-600 dark:text-primary-light-300 font-medium;
+  @apply text-primary-light-600 dark:text-primary-light-300 font-medium;
 }
 
 .pu-rating--small .pu-rating__value {